Mezue ahịrịokwu na-esonụ: Christian Langeweg ma ọ bụ Kick Langeweg (amụrụ na 7 Machị 1937), bụ onye Dutch chess International Master (IM) (1962), ugboro ise Dutch Chess Championship medalist (1969, 1970, 1972, 1980, 1983) na Chess Olympiad ugboro atọ onye medalist (1966,
1970, 1980).