I have 'Marble Queen', 'Pearls and Jade' and 'Njoy' and I used to have the very similar looking (and related) cultivar named 'Glacier' but I think I left that one with a few other plants for the people we sold our last house to.
Pearls and Jade and Njoy are child plants of Marble Queen so there are some similarities but I've never seen a Marble Queen with large white patches.