In the Name of ALLAH, the Most Beneficent, the Most Merciful.
This diagram shows how the three prophets (A.s) are directly descended from the two sons of Prophet Abraham (a.s), Ishmael (a.s) and Isaac (a.s). Muhammad (PBUH) is a descendant of the eldest son, Ishmael (a.s). Moses (a.s) and Jesus (a.s) descended from Isaac (a.s). Abraham (a.s) established a settlement, which today is the city of Makkah and built the Ka'abah towards which all Muslims turn when they pray.
Furthermore, throughout the Muslim holy book, the Qur'an, the links are affirmed:
"Say: We believe in God, and in that which has been sent down on us, and that sent down on Abraham, Ishmael,
Isaac, Jacob, and their descendants, and that which was given to Moses and Jesus, and was given to all the prophets,
from their Lord; we make no distinction between any of them; and we surrender ourselves to God alone".
(Qur'an 2:136)
Ref: by Haytham