BIRTH
Hazrat Khwaja Moinuddin Hasan Chishti (R.A) was born in Sazzi (Sejistan) (in East Persia) around 537 Hijri. His father name was Hazrat Khwaja Ghayasuddin (R.A.) and mother name was Hazrat Bibi Ummalwara alias Bibi mahenoor. His father and mother were descendents of Hazrat Ali (R.A.). Khwaja Sahib lost both his Father and Mother at an early age of sixteen years. Hazrat Khwaja Moinuddin Hasan Chishti (R.A.) is also known as “Khwaja Garib Nawaz or Khwaja Sahib”. Khwaja Sahib is the eleventh generation descendant (great grandson) of Hazrat Imam Hasan Alaihissalam and the fourteenth generation descendant of Hazrat Imam Hussain Allaihissalam ..
EDUCATION
He inherited an orchard and a wind mill. One day a pious darvesh and Majzoob, Ibrahim Qandoozi, came in their orchard and seat under the shade of a tree. Khwaja Sahib offered a bunch of grapes to them. The visitor ate those grapes and was delighted, also offered something to Khwaja Saheb. He ate it without any hesitation, and at once the light of wisdom and knowledge dawned upon the young Khwaja sahib. Thereafter he disposed and distributed the money amongst the poor. He started for Samarqand and Bukhra, for acquiring religious education and knowledge. After that Khwaja sahib traveled widely in searching of a “PIR”, who provide him the best spiritual guidance.
He came to Hazrat Khwaja Usman Harwani (R.A.), (who was the greatest scholar and unrivalled spiritual guide of that period) and completely submitted himself to his Murshidi. He served him devotedly up to twenty years passing through the various stages of the spiritual life. Thus the great Murshid trained and elevated “Khwaja Sahib” to the highest spiritual attainments.
HAJ
The great Khwaja Sahib became accomplished and perfect in every respect, the divine tutor honoured him with his robe and took him to HAJ. Both, proceeded to Makkah and performed the HAJ, and then went to MADINA and stayed there for some time, to get the blessings of Huzoor Hazrat Muhammed (S.A.W.S.), The Holy Prophet.  One night in a trance, Huzoor (SAW) ordered to him      
"You proceed to India and show the path of truth to the people there".
Khwaja Sahib left Madina for India. He continued his journey, passing through Isphahan, Bukhara, Heart, Lahore and Delhi meeting several prominent Sufis of the period. He arrived at the barren and desolated land of Rajputana which is now known as Rajasthan. On his way to INDIA, he enrolled large number of people in his fold and blessed thousands of others with spiritual power.

ARRIVED IN AJMER:
Hazrat Khwaja Moinuddin Hasan Chishty (R.A.) arrived in AJMER  at the age of 52 years around 587 A.H./1190 A.D., At that time Ajmer  ruled by the famous Rajput King Prithvi Raj Chauhan.In his court, he had a large number of powerful magicians with Ajai Pal as their leader. Khwaja Sahib stayed at a hill close to Ana Sagar lake. Now known as the Chilla Khwaja Sahib. When news spread that a very pious Dervish had come to Ajmer, people began to flock to him in increasing number. Whosoever came to him, received the kindest treatment and blessing and simplicity that they began to embrace Islam.  Even Ajai Pal submitted himself to the divine powers of Khwaja Saheb, gave up all his magic and became his disciple.
In 1192 A.D. King Shahabuddin Gori again attacked in India, and in the famous battle of Tarain defeated King Prithvi Raj Chouhan, Shahabuddin Ghori came to know of the presence of Khwaja Sahib at Ajmer, he personally came to see him at his place, and enjoyed the grace of his meeting.
Khwaja Saheb also sent his disciples and Khalifa’s to different parts of country who too served the people and preached the tenants of Islam. Some of his prominent Khalifa’s are:
1.) Hazrat Khwaja Qutubuddin Bakhtiar Kaki (R.A.) (Delhi ob. 1236).
2.) Hazrat Khwaja Sufi Hamiduddin Sawali Tarekeen (R.A.).

MARRIAGES AND CHILDREN:
At the age of 50 yrs. when he was almost setttled in Ajmer and the preachings were on the top, he dreamt of Prophet Hazrat Muhammed (SAW). Who said,
"O Moinuddin!
You have been very active in obeying ALLAH's orders but why didn't you follow my Sunnat ”.
Thus, Khwaja Sahib made two marriages one after another.
In those days a Saint Wajihuddin Mash-hadi (R.A.) was staying in Ajmer. One night he saw Hazrat Imam Jafar Sadiq (Alehis Salaam) in dream, who quoted Prophet Hazrat Muhammed (SAWS) as saying to give his daughter in marriage to Khwaja Moinuddin Hasan Chishti as he is one of the loving persons of ALLAH and his Prophet (SAWS).
When he woke up, he was very happy. He went to Khwaja Sahib and told about his dream. Khwaja Sahib said, “Though he is on the verge of his life and has no need to marry but obedience of Prophet Hazrat Muhammed (SAWS) is also necessary, so I accept the offer whole heartedly and ready for the marriage. This made Syed Sahib (R.A.) very happy and he married his daughter Bibi Asmat with him.
Khwaja Sahib (R.A.) also had a second marriage. Some historians write that his second wife Bibi Ummatullah was the daughter of a Raja, who accepted Islam willingly.
Three sons and one Daughter were born to the two wives whose names are:
1. Hazrat Khwaja Fakhruddin (R.A.).
2. Hazrat Khwaja Hisamuddin (R.A.) 
3. Hazrat Khwaja Ziauddin Abu Sayeed (R.A.)
4. Bibi Hafiza Jamal Rahmatullah Aleiha.

HAZRAT KHWAJA FAKHRUDDIN (R.A.):
He was the eldest son  and first Sajjadanashin of Khwaja Garib Nawaj (R.A.) who earned his livelihood by farming in Mandal town. He was a great saint and a scholar as well as one of the Khalifa’s of Khwaja Sahib. After twenty years of Khwaja Sahib. (R.A.)  death he died in Mandal town in Bhilwara district, App. 130 km away from Ajmer. His Mazar is located on a hill in the Mandal town. His Urs is celebrated on the 4th -5th  of Shaban every year with great fervors. He was blessed with five sons. One of his sons, Hazrat Khwaja Hisamuddin was a perfect Sufi. His grave is at Sanbar Sharif. Every year on 13 and 14 Rajab Urs is organized.
HAZRAT KHWAJA HISSAMUDDIN (R.A.):
He was the second son and he was a great saint, as well as possess in the quality of revelation. He made very tough exercises for self purification. At the age of 45, he disappeared from the human eyes and joined invisible religious fraternity.
HAZRAT KHWAJA ZIAUDDIN ABU SAYEED (R.A.):
He was the youngest son of Khwaja Gharib Nawaz and was a great religious person. He died. He died at the age of 50. His Mazar is on a platform near Jhalara Ghat in Ajmer Sharif.
HAZRAT BIBI HAFIZA JAMAL (R.A.):
She was the only daughter of Khwaja Sahib. She was a great religious personality. She guided thousands of women to the righteous path. She was married to Hazrat Shaikh Raziuddin (R.A.). He was the son of Qzai Hamiduddin nagori (R.A.) Her Mazar -e-Mubarak is located nearer below the Mazar of Khwaja Sahib.
KHWAJA SAHEB BREATHED HIS LAST:

After achieving the objectives of his mission and complying with the command given to him by the Holy Prophet, his noble soul left the corporeal body on the 6th of Rajab 633 A.H. / 16th March 1236 at the age of 97. He was buried in the same cell (Huzrah) which was the center of his divine activities, throughout his stay at Ajmer. Today his tomb is popularly known as "Dargah Khwaja Saheb, Ajmer". People of all walks of life and faith from all over the world, irrespective of their caste, creed and beliefs visit this great shrine to offer flowers of there esteem and devotion. The rich and the poor stand side by side to pay their homage and respect to the divine soul.