Gerardus Beekman was born in 1653.
Gerardus Beekman died in 1723.
Gerardus Vossius was born in 1577.
Gerardus Siderius was born in 1914.
Gerardus Heymans was born in 1857.
Beekman Winthrop was born in 1874.
Augustus A. Beekman was born in 1923.
James Beekman was born in 1732.
Gerardus Johannes Mulder was born in 1802.
Gerardus Johannes Geers was born in 1891.
Gerardus Gul was born on 1847-10-27.
Gerardus Mooyman was born on 1923-09-23.
Gerardus Wesling was born on 1885-11-21.