What I can add to this
Here is what I know.My Grandfather (Father's Side) was Howard Summers Kniffin.His brothers were Remik and Ogden.I don't know about the other two sibling's children, but Howard Summers Kniffin Married Barbra (I don't know her maiden name, here current - remarried - name is Barbra Lapp)Their children were Howard Summers Kniffin Jr, Charles Earnest Kniffin (My Father), Peter Kniffin, and Barbra Kniffin Jr.From these children, I know only this:
Barbie (Jr) had at least two children before she divorced (I belive the father has custody).I don't know about Howard Jr.Peter never had children.Charles Kniffin had (from his first marriage) Jeremy Kniffin and Daniel Kniffin.He also had Kasey Erica Kniffin and Alexander Benjamin Kniffin from his seccond marriage (he is now currently divorced again).
In 1980, Howard Summers Kniffin Sr. diead (emphisema).In the late 1980's (1989?) Barbra Sr remarried.That branch of the Kniffins have been living on Long Island in New York since my father's birth.Of them all, I know only this:
Howard Summers Kniffin Sr. was an investment banker and one-time vice president of Lazard Freres, the international investment firm.Howard Jr. is a stock broker in L.A.Peter is a semi-pro golfer on Long Island.Charles Kniffin is a wire & cable engineer in Wisconsin.
Of Charles Kniffin's children, Jeremy is the Sports Information Director for Hofstra or Cornel (I can't keep up with the guy).Daniel Kniffin is an amature surfer and band manager in San Diego.Kasey Kniffin is finishing her first year of college.
I am Alexander Benjamin Kniffin, I am 20 years old.I was a child actor on TV (As the World Turns, Loving, etc...)And I am now in my thrid year of study (Mechanical Engineering) and Carnegie Mellon University.