母モニカも息子アウグスティヌスもアフリカ生まれの黒人です。

https://www.ncronline.org/blogs/ncr-today/black-saints-monica

https://stmonica.net/component/flexicontent/64-black-catholic-history-month/1634-did-you-know-there-are-over-900-black-catholic-saints