Reference of Krishna's last meeting with Yashoda when he promises to reincarnate as Venkateshwara? says
There is a story of Krishna meeting Yashoda on her deathbed and she laments that she didn't get to witness any of his marriages
We know from the Sudama story that Krishna DID have 16000 wives who lived at his palace.
https://hinduism.stackexchange.com/a/23035/12489
The gift of a daughter, after decking her (with costly garments) and honouring (her by presents of jewels), to a man learned in the Veda and of good conduct, whom (the father) himself invites, is called the Brahma rite
How many of Krishna's marriages were of the Brahma type?