When the fight for the house was ongoing, the Howdens gave up on Lisa’s inheritance and passed it all to Liberty and Serenity. After that, Serenity sent some gifts over to the Howdens.
That was the last of their interaction.
Lisa had lost a lot of memories, probably from being transferred from family to family countless times when she was young. It could have been selective amnesia.
Serenity and Liberty were mature enough to stop asking their mother about her past after she had refused seve