1- Melvin Peter Thielen (26 November 1934)
2- Raymond Peter Thielen (27 November 1937)
3- Marjorie Ann Thielen (3 August 1943) - Married Wendelin Feilmeier on 13 February 1965. Together they had two children: Cindy and Thomas.
4- Daniel Leo Thielen (18 February 1952) - Married Nylene Freese on 25 April 1973. Together they had three children: Jan, Mary, Joseph.