Kevin, I can't find a photo of 'Malbyi'.
Is it one of these?
(syn. 'Malby's Hybrid No. 1') = 'Reginald Malby'
(syn. 'Malby's Hybrid No. 2') = 'Gloriosum'
'Malby's SB 72' ... MALBY (UK), 1972 ? ... SEMPERVIVUM
In the data base we have 'Gloriosum' as the pollen parent of 'Stuffed Olive'.