Alexander Lightwood is the third and youngest child of Gabriel and Cecily Lightwood.

Born in 1900, Alexander is the younger sibling of Anna and Christopher, and was born 13 years after the second child, Christopher.[1] Like Christopher, he inherited their mother's blue eyes.[2]


  • According to a found family tree, Alexander died in 1971 at the age of 70 or 71.[1]
  • Alec Lightwood, one of his descendants, shares the same name as him and his uncle, Gideon.


  1. 1.0 1.1 Found family tree, a Clockwork Princess extra
  2. Clockwork Princess

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