Gerardus Beekman was born in 1653.
Gerardus Beekman died in 1723.
Gerardus Vossius was born in 1577.
Gerardus Heymans was born in 1857.
Gerardus Siderius was born in 1914.
James Beekman was born in 1732.
Augustus A. Beekman was born in 1923.
Beekman Winthrop was born in 1874.
Gerardus Johannes Mulder was born in 1802.
Gerardus Johannes Geers was born in 1891.
Gerardus Wesling was born on 1885-11-21.
Gerardus Petrus Booms was born in 1822.
Gerardus Gul was born on 1847-10-27.