How many wives and children did Zeus have?

23 consorts producing around 59 divine offspring.
45 consorts producing around 66 semi-divine/mortal offspring.
As it's mythology it is open to interpretation depending on differing accounts.

https://en.wikipedia.org/wiki/Zeus#Consorts_and_children

In the Olympian pantheon Zeus had 23 consorts; the leading wife being Hera (who was also his sister)and 04 being of unknown name. This group produced 58 divine offspring: among them Aphrodite, Apollo, Ares, Artemis, Athena, Hermes, Persephone, the three Fates, the three Graces, and the nine Muses. Some also believe Helen of Troy. In addition, Zeus had 42 semi-divine/mortal consorts (including Alcmene, Danae, Electra, Leda, and o3 of unknown names). This group birthed 66 children (e.g., Dionysus, Heracles, Perseus,and Pollux).

https://www.123helpme.com/essay/Poseidon-The-Father-Of-Zeus-The-God-775706