This question already has an answer here:
In the seven Harry Potter books, the reader meets about two dozen of Hogwarts' teachers, but I don't remember any of them having either a spouse or children.
They are all grown adults, often even elderly, so this seems a bit surprising. After all, in the Muggle world, high-school teachers often happen to have a family life beside their job.
What have I found so far:
Remus Lupin marries Nymphadora Tonks and fathers Teddy. However, this happens several years after his one-year appointment as DADA teacher in Hogwarts.
Hagrid develops a romance with Madame Maxime in GoF, but it is unclear how far it goes, and I can find no mention of her after their trip to Europe.
Snape has been madly in love with Lily Potter all his life, but she has never reciprocated and we can reasonably infer that he never had any bond with anyone else.
We know that at least three of the four Hogwarts founders (Slytherin, Hufflepuff and Ravenclaw) had children, but I am more interested in 20th century teachers.
Among the ghosts, the Bloody Baron and the Grey Lady have, hum, a complicated history.
Is any teacher of Hogwarts known to be married or to have a child? If no, has any justification for this been advanced?
Any information about the non-teaching staff (Pomfrey, Filch, Pince...) or the former headmasters is also welcomed.