, ▁and ▁ 1 4 2 3 ▁he ▁sold ▁Duke ▁Phill ip ▁the ▁Good ▁six ▁t apest ries ▁of ▁scenes ▁from ▁the ▁life ▁of ▁the ▁Virgin , ▁which ▁the ▁Duke ▁gave ▁to ▁the ▁Pope . ▁Other ▁sales ▁to ▁the ▁Court ▁are ▁recorded , ▁although ▁he ▁may ▁have ▁been ▁acting ▁on ▁beh alf ▁of ▁Gu id ic c ioni . ▁▁ ▁In ▁ 1 4 2 6 ▁he ▁married ▁Cost anza ▁Tr enta , ▁who ▁is ▁at ▁first ▁sight ▁not ▁the ▁wife ▁in ▁the ▁portrait , ▁as ▁a ▁letter ▁by ▁her ▁mother ▁of ▁February ▁ 2 6 , ▁ 1 4 3 3 ▁mentions ▁that ▁she ▁had ▁died . ▁She ▁was ▁also ▁from ▁Lu cca , ▁and ▁her ▁a unt ▁G ine v ra ▁Caval c anti ▁was ▁married ▁to ▁Lorenzo ▁de ' ▁Med ici , ▁brother ▁of ▁Cos imo ▁de ' ▁Med ici . ▁On ▁the ▁other ▁hand , ▁Margaret ▁K oster ▁has ▁recently ▁proposed ▁that ▁the ▁double ▁portrait ▁may ▁be ▁a ▁mem orial ▁one , ▁including ▁an ▁image ▁of ▁Cost anza , ▁but ▁painted ▁a ▁year ▁after ▁her ▁death . ▁▁ ▁In ▁ 1 4 4 2 ▁he ▁signed ▁an ▁agreement ▁where by , ▁for ▁a ▁moder ate ▁fee , ▁he ▁became ▁a ▁burg ess ▁of ▁Bru ges ▁after ▁prom ising ▁not ▁to ▁trade ▁as ▁a ▁merchant . ▁He ▁was ▁permitted ▁to ▁pract ise ▁" the ▁small ▁burg ess ' s ▁craft s ", ▁but ▁whether ▁he ▁ever ▁did ▁is ▁unknown . ▁In ▁ 1 4 4 6 ▁and ▁ 1 4