Jane Seymour's second name, Fitz-patrick, is derived from her father, Sir John Seymour, who held the title of Baron Seymour of Hatch Beauchamp and whose family name was Seymour Fitz-patrick. Therefore, "Fitz-patrick" is a patronymic surname, indicating descent from "Patrick".
The Enchanting Jane Seymour: Delve into the Life of this Canadian-American Acting Icon!