Not really, Yvonne - not when you take time-travel into account.
Spoilers for Firestorm below:.
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Lee, L&C's grandchild (and also Bernard Klein's grandchild
) travelled back into the past to help L&C conceive. She met Jimmy and fell in love with him - but had to go back to her own time. Later, Jimmy travelled forward in time to be with Lee.
Wendy