My son, 1 brother, 1 uncle, 2 aunts, two nephews, 1 niece, and found out my father was bisexual around 20 years after his death. The strange thing was my sister kept all Gay family away from her sons until they were off to college and both still turned out Gay.
I find it shocking that so many here do not have Gay relatives, as I have found most of my Gay friends have many family members also, my mechanic is Gay and so is his brother and his sister. I thought it was the norm to run in families.