Looking For Descendants Of Willem Jacob Cranssen (1762-1821)

I was looking for descendants of Willem Jacob Cranssen,Governor of Ternate,Malacca,Malaysia. and Amboina.He was born in Wedde (Groningen) 1762. Son of Willem Cranssen and Magdalena Hesse.He married to Maria Eleonora Hartman.Their issue - > > > > > > > > > > i)Eleonora Magdalena Cranssen(1790-1792). > > > > > > > > > > ii)Willem Casper Cranssen(1792). > > > > > > > > > > iii)Willem Leonard Cranssen(1794-?)married to Wilhelmina Jacobina Burghgraaf. > > > > > > > > > > > > > > > > > > > > iv)Catharina Rica Cranssen(1795-?) married 1stly to Petrus Theodorus Couperus and 2ndly to Carel Jan Riesz.His issue - > > > > > > > > > > ai)Maria Catharina Eleonora Riesz(?)married to Baron Godert Hendrik Taets van Amerongen(1832-1908). > > > > > > > > > > aii)Petrus Theodorus Couperus(1815