No the sun god Ra and the god Atum were
If the mother of Bastet was Isis, her brother was Horus; if a daughter of Ra her siblings include Shu and Tefnut.
In Ancient Egyptian myth, Bastet did not have a twin sister. After the Greeks identified her with Artemis, Horus was identifed with Apollo and said to be her twin brother; Zeus/Ra was thier father and Isis/Leto thier mother.
I know of no Egyptian goddess called Kemse-Mies, but Bast was daughter of Ra and any other daughter of Ra could rightfully be called her sister.
Both Ptah and Ra were considered Hathor's father.
bastets enemies where aphios serpent from the under ground death .
Bastet was identified with Hathor, Mut, Sekhmet, Tefnut; she was the daughter of Atum/Ra and soemtimes Isis; her consort was Ptah, she was also said to be mother of Anubis, or Mahes and Nefertem.
The primeval god, Nun, was the father of the god Ra.
Phat
Ra or Ptah was the father of Hathor.
to look after cats
Ra, the sun god