To follow the Qur'an, Sunna and all the deeds of the holy Prophet Muhammad s.a.w.
The first Caliph was Abu Bakr Assidik.
Abu Bakr
The Muslim rulers after prophet Muhammad death in year 632 AD were called Caliphs. The first Caliph was Abou Bakr. The Caliph after death of the Caliph Abou Bakr was Omar Ibn Al-Khattab. That is why he was the second Caliph.
The first Rightly Guided Caliph Hazrat Abu Bakr Siddique RAU.
The first Caliph Abu Bakr Assedik
was the father of muhammad and he was the first caliph after his death
Only Sunnis agreed on Abu Bakr as first Caliph after prophet Muhammad death. The Shiites believed that the Caliph should from the prophet family and accordingly they supported Ali to be the first caliph and not Abu Bakr. However, the Shiites accepted the majority selection of Abu Bakr and supported him and Ali (God pleased with him) was a closeadviser to Abu Bakr. See for more information the related question below
Abu Bakr, the future first Caliph.
Perhaps you are referring to abu Bakr? Abu Bakr was one of Muhammad's fathers-in-laws and became the first Caliph.
Assmaa bent abi Bakr (the daughter of the first Caliph Abou Bakr)
The Muslims leader (Caliph) after Abu Bakr was Omar Ibn Alkhattab (as the second Caliph).
Abu Bakr