In the extract of her sentencing she is described as a Moorish slave girl (sic. Moorse slavinne).
The Moors were the Muslim inhabitants of the Maghreb, the Iberian Peninsula, Sicily, and Malta during the Middle Ages. The Moors initially were the indigenous Maghrebine Berbers.
Extract:
Groote Catrijn’s Death Sentence & Pardon – Extracts from Sentence Book at Batavia
CAPE ARCHIVES (CA): COURT OF JUSTICE (CJ) 281, no. 44 (16 November 1656)
Alsoo Catharina geboortich van Paliacatte out na aensien omtrent 25 jaeren en Moorse slavinne van
Maria Magdalena vrije vrou ende jinwoorten desen stede ...
p.139 Cape Mothers by M. Upham