William Colbert was the son of John Logan Colbert and John's first wife (a full blood Chickasaw woman). John had children with two other women, the second was also Chickasaw and the third was a half-blood Chickasaw.
George Colbert is listed as the father on this tree. He is William's half-brother. (from John's second wife).
William had two wives. The first was Jesse Moniac. The second was only listed on historical notes as "Ishtanaha" (Chickasaw).
Polly Colbert is listed as the only child from William's second wife.