At various stages Markus Cassirer and his family line has been attributed as a son of Moses ben Loebel Cassirer. Subsequent evidence has emerged recently (2023) which renders this unviable. The available evidence points very strongly to the conclusion that Markus Cassirer and his family descended from Moses (‘Mausche’) Cassirer of Bujakow. Details of this reasoning will be published shortly (July 2023) on the genealogy.meta-studies.net website and referenced also here.