I have been studying on this case for a bit and have a better timeline for you guys
August 1954: Annie is born in Southern Washington.
1954-1965: Annie’s parents, Norma and Albert, divorce.
March 12, 1965: Norma marries Thomas Ostrich.
May 29, 1966: Annie’s half sister, Elizabeth Ostrich, is born.
October 7, 1967: Albert marries Florence Weems.
January 23, 1969: Virginia marries P. Ternsten.
April 4, 1969: Norma and Thomas divorce.
November 18, 1969: Albert and Florence divorce.
December 20, 1970 - May 23, 1971: Annie leaves with a mysterious woman, soon to be tracked down by Mr. Ternsten. He soon learns she accepted a car and wardrobe in exchange to sell Annie into prostitution.
December 20, 1970 - July 19, 1971: Annie dies under suspicious circumstances.
August 19, 1971: Annie’s remains are found in Josephine County, Oregon.