Mills Name from Pennsylvania and Massachusetts

I am George Edward Mills, IV

Father's name: GEM,III (3rd) born Pitt. PA. Father is buried next to his parents in Ormond Beach, Florida. (brothers: Robert, James, William, Donald, and sister Jean. Mother's maiden name: Arlene Betty Casey, born Pitt. PA.

My grandfather: GEM jr (2nd) was born in Pitt. PA & wife Mamie Cecelia Steffan. Pitt, PA. Both are buried in Ormond Beach, FL.

Great Grandfather: GEM (no number) born Pitt PA, & wife (?) Great grandma, birthplace (?) Both are buried in East Liberty, Pitt. PA.

My Mother's family consisted of father Joseph Casey of Pitt. PA. and mother Emma Anna Kline of Pitt. PA. My mother has a sister (Ethel Casey Nelson) and brother Lawrence Casey. Both of my mother's parents are buried in Panama City, Florida.

I have two children, Amanda L. Mills and GEM, V (5th)
Amanda Mills has two children (one each ) while GEM5 has a son.