Josephine is a former lover of Howard Stark.
Josephine dated Howard Stark. When he sent his butler Edwin Jarvis to inform her that he no longer wished to be romantically involved with her, she grew angry. He gave her a diamond bracelet as a memento; despite this, she still maintained her hatred of him.
She was visited by Edwin Jarvis and Peggy Carter who wished to figure out which of Stark's previous girlfriends' had stolen his inventions. During their visit, she said that was not the type of girl to be brought off with a bracelet and slapped Jarvis.