Qasim ibn Muhammad ibn Abu Bakr died in 106.
Abu Bakr ibn Muhammad ibn Hazm died in 737.
~Muhammad was his son-in-law. Abu Bakr was a close companion to Prophet Muhammad (PBUH) and the first man believed in Muhammad prophesy and accepting Islam religion. Abu was the only companion to Prophet Muhammad during his Immigration from Mecca (Makkah) to Medina. Abu Bakr is the father of Aisha, (may God be pleased with her) Prophet Muhammad wife. Abu Bakr was the 1st Caliph (Ruler) after prophet Muhammad death.
Perhaps you are referring to abu Bakr? Abu Bakr was one of Muhammad's fathers-in-laws and became the first Caliph.
abu bakr lived in mecca
Father-in-law
Hira
Muhammad's third wife, the daughter of Abu Bakr.
abu bakr
They had ordered Abu Bakr to be a Caliph since he knew Muhammad.
was the father of muhammad and he was the first caliph after his death
Abu bakr took over when Muhammad died