I'm not sure about the Tyus side of the family. But Hettie was my ggg -g? Auntie. What I've been able to ascertain from one of my oldest living relatives is that Hettie had 4 or 5 children by her Slave Master's (SMYLY) brother. I'm not sure whether her children were born in Pleasant Hill on the plantation or in South Carolina on the plantation of Daniel C Smyly's father in SC.
I'm still researching to