How many children did Gustav mahler have?

Gustav Klimt had a very interesting relationship with Emily Flöge and fathered 14 children. NOTE: He only recognized 3 children, the figure above is bogus. Follow the link below for more information

He was writing his tenth when he died. This means that he had 9 completed.

10 I believe. No. 10 is "unfinished" however.

Gustav Mahler had 13 brothers and sisters.

Three........ Shakespeare was married to a woman named Anne Hathaway. In May, 1583 she gave birth to a daughter, Susannah.In January/February 1585 Anne gave birth to twins, Hamnet (a boy) and Judith.