Biography:

Known family: Christopher Summers (Cosair) - father,
Katherine Summers - mother,
Alex Summers (Havok) - brother,
Gabriel Summers (Vulcan) - brother,
Jean Grey (Phoenix) - wife,
Madelyne Pryor (Goblin Queen) - wife,
Christopher Summers (Cable) - son,
Tyler Dayspring (Genesis) - grandson,
Stryfe - cloned son,
Rachel Summers (Marvel Girl) - alternate timeline Daughter
First Appearance: X-Men #1
Aliases: Slim, Slym Dayspring, Mutate 007, Eric the Red
Affiliations: X-Men, X-Factor, X-terminators, Hounds, The Twelve, Begin Agains, Corsair's Squad Supervisor
Status: Alive