It's regarding khums
1- If father's used to remove khums so should the children remove khums again for the whole property before disturbuting?
2- If the money or property a girl gets from her father's property after his death is it mandatory to remove khums again?
a: If she knows her father use to remove khums
b: If not sure whether her father has removed khums for all his wealth and property.

1- NO.
2- NO, for both cases, if she knows that he used to do.