Alice Leopold (née Tyrell) was the younger sister of Eldon Tyrell.
Leopold's brother entrusted to her a diary which was kept in a vault following her death.[1]
Behind the scenes[]

A photo seen in Blade Runner depicting Tyrell's niece and her mother, possibly Alice Leopold
Alice Leopold, to date, has only been mentioned in the tenth issue of Blade Runner 2029. Although no other siblings have been established, it is unstated whether she is the mother of Eldon Tyrell's niece, Lilith.