(http://allegroningers.nl/: accessed ), ; citing DTB Grootegast Doezum. Author DatabaseTitle CreatorOwner WebsiteTitle URL ItemType CreditLine » Quellen » Familienstammbaum van der Leest, Rodenboog, Scheerhoorn, Warners » Genealogie Online"> (http://allegroningers.nl/: accessed ), ; citing DTB Grootegast Doezum. Author DatabaseTitle CreatorOwner WebsiteTitle URL ItemType CreditLine » Quellen » Familienstammbaum van der Leest, Rodenboog, Scheerhoorn, Warners » Genealogie Online">