vanopdenbosch on Family Tree Circles

This name was taken in 1812 in Utrecht in the netherlands, its my g.fathers'name (this name exists in belgium and france as well.)He had 3 brothers. He was born 19 december 1891 died in 1978 in Brussels, Belgium

this a dutch name from rotterdam written in different ways
I could found the wedding 31 august 1856 of the parents with 'grand parents of my GGfather.
The same person is mentionned with different spelling, from one birth to another with same father same mother.

The problem wich is the write spelling and how to find older ancesters in that case?