Prophet had three sons; The first named Qasim, his name became the chew of the Prophet (Abul Qashim). Qashim was born before prophethood and died at the age of 2. The second named Abdullah, also called ath-Thayyib or ath-Tahir because it was born after prophethood. The third son, Ibrahim, was born in Medina in 8 AD and died at the age of 17 or 18 months.
His daughter of four was named Zainab who married Abu al-Ash bin al-Rabi’, nephew of the Prophet from khadijah, then named Fatimah married Ali bin Abi Talib, then named Ruqayyah and Um Qultsum married Uthman bin Affan.
Quoted from the History Book of the Prophet صلى الله عليي وسلم by al-Hafidz Abdul Ghani bin Abdul Wahid al-Maqdisy, With details of the names of the sons of the Prophet Muhammad’s daughters صلى اللل عليي وسلم as follows:
Sayyiduna Qaasim, Princes Of The prophet
Was born to Sayyidatuna Khadijah رَضِیَ اللهُ تَعَالٰی عَنْهَا before the announcement of Prophethood. This is where our Beloved Prophet`s title AbulQaasim originates from. The majority of scholars believe that he رَضِىَ اللهُ تَعَالٰی عَـنْهُ passed away around the age when he had started to walk.
Was born in Makkah Mukarramah before the announcement of Prophethood and passed away in his childhood. Tayyib and Taahir are his (Sayyiduna `Abdullah رَضِىَ اللهُ تَعَالٰی عَـنْهُ) titles
He was the youngest of the princes. He was born in Sayyidatuna Mariyah Qibtiyyah, ZulHijjah, 8 AH and died in the area called `Aaliyah near Madinah Munawwarah in 17 months or 18 months. He was born 10 years before the announcement of the Prophet at Mecca Mukarramah. He died at 8AH.
Sayyidah Ruqayyah, Princesses Of the prophet
Born seven years before the announcement of the prophecy. Sayyiduna `Usmane Ghani رَضِىَالله ُ تَعَالٰی عَـنْهُ married. Passed away in Ramadan, 2 AH on the day of the battle of Badr at the age of twenty.
Following the demise of Bibi Ruqayyah رَضِیَ اللهُ تَعَالٰی عَنْهَا , she was married to Sayyiduna `UsmaneGhani رَضِىَ اللهُ تَعَالٰی عَـنْهُ in Rabi`ulAwwal, 3 AH. She رَضِیَ اللهُ تَعَالٰی عَنْهَا passed away in Sha`ban 9 AH.
Sayyidah Fatimah, Princesses Of the prophet
The youngest, most cherished, most beloved princess of our Noble Prophet صَلَّی اللّٰہُ تَعَالٰی عَلَیْہِ وَاٰلِہٖ وَسَلَّم. She was married to MaulaeKa`eenat Sayyiduna `AliulMurtada کَـرَّمَ الـلّٰـهُ تَـعَـالٰی وَجـْھَـهُ الـکَـرِیْم in 2 AH.
Today, all prestigious Sayyids are ubiquitous throughout the world and are descendants of his two princes, Sayyid Naimam Hasan and Sayyid Naimam Husayn. She left this mortal world on the 3rd of Ramadan Mubarak, 11 AH, six months after our apparent death of Noble Rusor, peace to him.