Family: Allard Pierson / Johanna Elisabeth Gregory (F1239)
m. 23 Jul 1797-
Male
Allard Pierson
Birth 1 Nov 1770 Gouda, Zuid-Holland, Nederland 
Christening 2 Nov 1770 Gouda, Zuid-Holland, Netherlands Death 31 Mar 1836 Alkmaar, Noord-Holland, Netherlands Burial Marriage 23 Jul 1797 Leiden, Zuid-Holland, Nederland Other Spouse Maria Catharina van der Steen | F1238 Marriage 23 Jul 1797 Leiden, Zuid-Holland, Nederland Father Allard Pierson | F2315 Group Sheet Mother Cornelia Geertruida Boon | F2315 Group Sheet
Female
Johanna Elisabeth Gregory
Birth 26 Mar 1770 Amsterdam, Noord-Holland, Nederland Christening 1 Apr 1770 Amsterdam, Noord-Holland, Nederland Death 2 Nov 1846 Alkmaar, Noord-Holland, Netherlands Burial Father Jan Lodewijk Gregory | F2495 Group Sheet Mother Johanna Gerarda Tack | F2495 Group Sheet
Male
Allard Cornelis Pierson
Birth 14 Sep 1801 Alkmaar, Noord-Holland, Netherlands Christening 4 Oct 1801 Alkmaar, Noord-Holland, Netherlands Death 30 Jan 1870 The Hague, So. Holl., Neth. Burial Spouse Carolina Henriette Constantia Bunnik | F1477 Marriage 20 Aug 1825 Willemstad, North Brabant, Netherlands Spouse Hendrika Adriana Maria Papet | F2851 Marriage 31 Aug 1837 Amsterdam, Noord-Holland, Nederland
Male
Jan Lodewijk Pierson
Birth 5 Jan 1803 Alkmaar, Noord-Holland, Netherlands Death 6 Jan 1803 Burial
Male
Jan Lodewijk Gerard Pierson
Birth 4 Sep 1803 Alkmaar, Noord-Holland, Netherlands Christening 18 Sep 1803 Alkmaar, Noord-Holland, Netherlands Death Burial
Male
+ Jan Lodewijk Gregory Pierson
Birth 1 Sep 1806 Alkmaar, Noord-Holland, Netherlands Christening 11 Sep 1806 Alkmaar, Noord-Holland, Netherlands Death 12 Oct 1873 Amsterdam, Noord-Holland, Nederland Burial Spouse Ida Oyens | F1166 Marriage 20 May 1829 Amsterdam, Noord-Holland, Nederland