In another thread, we've been discussing which of the Avengers knew their secret identies.
This brought up the confusion over the membership of the villian's group, "Zodiac" and just who were their original line-up.
It seems to me that Cornelius Van Lunt (a powerful businessman) was revealed as Taurus, early on.
And eventually, blind Libra was identified as the father of Mantis, but I don't recal…