Katherine Mikaelson

Katherine Adriana Louisa Salvatore-Mikaelson more commenly known as Kate Mikaelson is the tribrid daughter of Grey Salvatore and Ash Mikaelson, the twin sister of Caden Mikaelson, and the older maturnal half-sister of Jason Mikaelson, and the older paternal half-sister of Tina and Josh Salvatore-Saltzman.

She is the first cousin once removed of Nik Mikaelson, and the niece of Lex and Henry Mikaelson, as well as the half-niece of Hope Mikaelson, and the half-niece by marraige to Landon Kirby, as well as the half-cousin of Faith and Maurice Kirby, the Phoenix kids of Hope and Landon. Her aunts from the paternal side are Stef and Lily Salvatore.

She is the great-niece of Kol, Freya, Finn, Rebekah, Elijah and Henrik Mikaelson. She is also the adoptive great-niece/ biological first cousin three times removed of Jeremy Gilbert, by marriage to him, Bonnie Bennet, and the adoptive second cousin of Enzo and Lena Gilbert-Bennet.

'''Katherine is a member of the Mikaelson, Forbes, Salvatore and Gilbert families, as well as the fact she has blood from the Petrova line. She is the first child to be born to a tribrid.'''