Born in the Dutch East Indies, daughter of Jacob Mossel (d. 1761) and Adriana Appels (d. 1743).1 Married (1759?) to Gerard Maximiliaan Taets van Amerongen (1727-1788).
- 1The later Madame d'Amerongen was apparently the second daughter of Jacob and Adriana named Catharina Johanna. The first one died aged 3 sometime before 1741.
Madame Geelvinck probably introduced Boswell and Madame Amerongen to each other on February 7, 1764.