Namesakes
Dutch Prime Ministers:
2 prime ministers
Theo van Lynden van Sandenburg 1879-1883 
Theo de Meester 1905-1908
Notable Filmmakers:
1 director
Theo van Gogh 1957-2004
Other Royalty:
1 king, 1 prince
Charles of Belgium (middle name Theodoor) 1903-1983 Belgium
Albert II of Belgium (middle name Theodoor) 1993-2013 Belgium