About Hannah Judah
From the Purvis book:
(William Purvis) was unmarried by had 3 natural sons by a Miss Harries (or Hannah) Judah,. Reputedly she came from Morocco and was purchased by a Charleston matron at the slave market because of her extreme beauty.
From Wikipedia's entry on her son Robert:
Purvis was born in Charleston, South Carolina. His mother Harriet Judah was a free woman of color, the daughter of former slave Dido Badaraka. In his late age, Purvis told a reporter that his grandmother Badaraka had been kidnapped at age 12 from Morocco and sold as a slave in Charleston. He described her as a full-blooded Moor: dark-skinned with tightly curled hair. She was freed at age 19 by her owner's will. Harriet's father was Baron Judah. He was the third of ten children of Hillel Judah, a German Jewish immigrant, and his Sephardic Jewish wife Abigail Seixas from Charleston. Although Purvis told a reporter that Badaraka and Judah had married, his biographer thought that unlikely given the prominence of the Judah family in Charleston. She also discovered that the Judah family owned slaves. Badaraka and Judah did have Harriet and a son together.