Recorded in over forty spelling forms from Lambert, Lambard and Limprecht, to Lambrich, Lambertini and Lemmens, this surname is almost certainly of very early German origins. As a surname it started life in the 12th century, but the derivation is from a pre 5th century personal name.
Sheldon was raised in Galveston, Texas along with his elder brother and fraternal twin sister (Missy) by his mother, Mary Cooper, an overtly devout Evangelical Christian; and George Cooper, an alcoholic who was never around.
Dan also revealed that his little sister, Jenny Humphrey (Taylor Momsen), had known about his secret identity for years and even used the Gossip Girl site to inflate her own profile at the Constance Billard School for Girls. Gossip Girl is dead, Dan told his friends and family.