Your David Blunt was the son of David Blunt (Blont) & Margaret Miller (Grietje Muller) born 10 Mar 1805, baptized 12 May 1805 at Claverack Reformed Church. This couple married 7 Jun 1789 at Claverack and had other children baptized: Wilhelm 1790, Anna Elizabeth 1794, Jacob 1796, Dorothea 1800, David 1802, Robert 1806, Catharine 1807 all at Claverack, and Johannes 1792 at Hillsdale Ref. Church.
2 other marriages at Claverack:
1 Mar 1785 David Blont md. Elisabeth Wagener
Maybe the same David who md. Margaret, as they only baptized one child, in 1786.
12 Apr 1834 David Blunt, spinner of Stockport md. Mary A. Sulling, spinster of Stockport