Jan Jakob Maria de Groot died in 1921.
Jan de Groot - painter - died in 1726.
Alfons Maria Jakob died on October 17, 1931 at the age of 47.
Jan Jakob Lodewijk ten Kate died on December 24, 1889 at the age of 70.
Jan Maria Gisges died in 1983.
Jan Maria Michał Kowalski died in 1942.
Roger Groot died in 2005.
Huug de Groot died in 1957.
Guillaume de Groot died in 1922.
Adriaan de Groot died in 2006.
Francis de Groot died in 1969.
Pieter de Groot died in 1678.
The cast of Die Verantwortlichen - 2014 includes: Sebastian Blomberg as Jakob Jan Messutat as Oliver George Tounas