Lucinda "Lucy" Westenra is the daughter of Atilla Westenra and Krone Westenra, the younger sister of Magda Westenra, the aunt of Ingrid Dracula and Wolfie, and the adopted aunt of Vladimir Dracula. However we don't know if she actually exists, or if she is just a fan-made character.
Family Tree
Lucinda's family tree
Dracula Family | Atilla Westenra | Krone Westenra | |||||||||||||||||||||||||||
Count Dracula | Magda Westenra | Patrick | Lucinda Westenra | ||||||||||||||||||||||||||
Ingrid Dracula | Wolfie | ||||||||||||||||||||||||||||
See: Westenra Family