Did Leonardo Pisano Fibonacci have a wife or kids?

Answer 1

We don't know.

"Little is known about Leonardo's life beyond the few facts given in his mathematical writings."

"Leonardo Pisano : Life", Encyclopædia Britannica. 2007. Encyclopædia Britannica Online. 9 May 2007 : http://www.britannica.com/eb/article-4152/Leonardo-Pisano

Some say he might have been gay, but there doen't seem to be any proof of that.