His father was also a designer who developed wood gas aggregates and Volvo PV444, strongly influencing his son to go in his footsteps.[2] There is a line of sailing clothing and sports wear bearing the name Petterson, under the Brand Name Pelle P. which are designed by his daughter, Cecilia.His other daughter, Ulrika "Icka", lives in the U.S. and is married to Paul Cayard, an American yachtsman and professional sailor.Amongst previous recipients are Arvid Carlsson Nobel laureate, Ingvar Kamprad founder of Ikea and Pehr G. Gyllenhammar former CEO of Volvo.[5] On 8 June 2010 Petterson received from Carl XVI Gustaf of Sweden the King's Medal (12th size bright-blue ribbon[6]) for outstanding contributions as a yachtsman and boat designer.