These folks will lead you a merry chase in records with the various spellings of the surname... On the assumption that your dad was Robert Andrew; He was the only son of Andrew Lawson Colclazer and Ollie Lee Turner Colclazer. Andrew Lawson was born Aug.16,1877 in Williamson Co.,TX and died Oct.24,1961 in Anson,Abilene,TX,father Andrew,mother unknown;Ollie was born Mar.12,1890 in Sulphur Springs,TN,and died May 11,1963 in Abilene;father W.M.Turner,mother unknown. They are buried in Lakeview Cemetery-Winters,TX. Their other children were Rachel,Jachel(who married J.E.Herron,died Feb.1989 in Abilene),Jaunita or Juanita who married Rexall Haynes,died 1995 in Young Co.,TX;Bertie,and Pauline,who married a Higgins,died in 1983 in Young Co.,TX. According to someone else's family tree on ancestry.com Andrew Lawson was the son of Andrew,born in 1849-MO,died 1919 in Winters,TX and Rachel Cain,born 1855 in AR,died 1916 in Fisher Co.,TX.