Dire Dewa's son
Malik Obama 4 president.
Well known and documented that many family names were changed and kept. Many christian Ali's and Abu's in your highland. They took the names of the conquerors.They do not have Muslim names. Anyone who does is a either a revert or a Muslim, vice versa. And + this was ~~6 centuries ago, no one keeps names that long.
You're just mixing some of our names like Yosef for e.g. for Muslim names