Gregory Ivy died in 1985.
Gregory Ivy was born in 1904.
In the book Evercrossed you find out on page 4 at the bottom that Gregory Ivy's stepbrother had tried to kill Ivy and killed Tristan instead
Gregory wants to kill Ivy because he is a fallen angel who is envious of her purity and the love she shares with Tristan. He sees her as a threat to his own ambitions and seeks to eliminate her to prevent her from coming between him and Tristan.
Ivy Weber died in 1976.
Ivy Rahman died in 2004.
Hardy Ivy died in 1842.
Ivy Gibbs died in 1966.
Ivy Wallace died in 2006.
Gregory Stapleton died in 1802.
Horace Gregory died in 1982.
Gregory of Narek died in 1003.
Gregory of Rimini died in 1358.