Judith Katrijntje "Trijntje" Oosterhuis (Dutch pronunciation: ; February 5, 1973 – Amsterdam, Netherlands) is a Dutch pop singer.Judith Katrijntje Oosterhuis was born on February 5, 1973 in Amsterdam, the capital of the Netherlands. He became interested in theology movement in his childhood and was educated by the Catholic clergyman, Dutch theology expert Huub Oosterhuis. He trained with Violinst Jozefien Melief in the Amsterdam Promenade Orchestra.