respectively a carpenter and a teacher, and was of African-American , Cherokee - Creek , [3] and Scots-Irish ancestry . [4] Parks' great-grandfather was a Scottish - Irishman . MDLP World 22 Pygmy 2.18% West-Asian 4.88% North-European-Mesolithic 1.83% Mesoamerican 7.48% Arctic-Amerind 0.31% South-America_Amerind 3.02% Indian 1.46% Atlantic_Mediterranean_Neolithic 21.88% Samoedic 0.45% Indo-Iranian