Daisy says she has no family. I don't remember what happened to them. She mentioned it to her "dad."
The reason the estate can't go through females is that it's entailed not just to the "issue" of whomever entailed it, but entailed to "male issue" only, i.e., through
the male line. It wasn't uncommon at one time in England. Nowadays, in the US, it is sometimes possible to be overturned based on discrimination, the particular words would be stricken.