Yes they are - It is Dr Mattie Moss Clark's grandsons, Denise Clark's sons (former member of the Clark Sisters) and Dorinda, Karen Jacky and Twinkie's nephews. Kierra and J. Drew, Angel, Greg Jr and Nikkia;s cousins! :)
Many different people are related to him. I looked on ancestry.com and he is related to Doris Clark who is also related to her children such as Charles B Clark. His children is also related to William Clark such as… Full Answer
Last night (Dec 1st), on the channel TV One, a show called, "Unsung" focused on The Clark Sisters. It was a very good documentary and it explained that Dr. Clark divorced her husband surrounding the verbal abuse and possibly his… Full Answer
Biologically there are four the Eldest being Denise Clark-Bradford, Elbernita "Twinkie"Clark-Terrell, Dorinda Grace Clark-Cole, Karen Valencia Clark-Sheard. Jacqueline and Leo Chisolm were from there mother's previous marriage but Jacky goes by the surname Clark.