I found a male Dutch serial killer: Hans van Zon
Early Life:
Born April 20, 1942 in Utrecht, showing up to be lethargic, introverted and inclined to younger playmates. Dismissed from several jobs for petty theft. Moves to Amsterdam at age 16. Living the life of a swindler: Pretending to be a “student”, asking strangers for cash for “a trip home”. Enjoying affairs with men and women alike being bisexual.
Crimes & Victims:
July 22, 1964: Elly HAGER-SEGOV rejects his second attempt to intimacy after already having spent one night with him before. He chokes her unconscious, stripps her and cuts her throat with a bread knife.
1965: Hans van ZON murders homosexual film director Claude BERKELEY in Amsterdam.
Marries an Italian chambermaid, Cloroline GIGI, living on her wages, continuing his affairs with other women. When he tries to kill her, she informs police and he is sent to jail for one month.
April 19, 1967: Coby van der VOORT (37), his occasional mistress, is drugged, bludgeoned with a lead pipe, stripped and stabbed with a bread knife. Van ZON unsuccessfully tries to rape her corpse.
Bragging about this murder to an aquaintance, Oude NOL, he is blackmailed by the latter.
NOL demands van ZON to assist in murder & robbery.
May 31, 1967: Hans van ZON enters a fireworks shop and clubs the owner, Jan DONSE (80) to death with the lead pipe used before.
August 1967: Hans van ZON crushes the skull of farmer Reyer de BRUIN in Heeswijk with the lead pipe and slashes his throat.
1967 Hans van ZON clubs widow Mrs. WOORTMEYER (once romanced by Oude NOL) she survives.
Discovery:Mrs. WOORTMEYER identifies Hans van ZON, he is sentenced to life in 1969 and released in 1986. Oude NOL is sentenced to seven years.
Whereabout:
Hans van ZON is released in 1986 and probably still alive in the Netherlands.