the family van den Bosch are descendants from the van Amstel, founders of Amsterdam; the van Amstel belonged to the Friesian High nobility (traced from Wursing van Friesland (720 AD) who sided with Karl the Hammer, grand father of Emperor Charles the Great, against Radbod King of Frese (Flanders); the family is reputed to be "a son of the King of Danemark"; the name Paats and variations comes up regularly throughout generations, which seems to link the family to the divinised ancestor Pertsun overall God of the Slavs, The Baltic slavs originate in Sarmatia, south Russia, originating in Parthia, originating in Siberia; settlement in Baltic and Friesland: 5th century.