Two of his sons Peter Buehning Jr. ('76) and James Buehning ('84 & '88) competed both at the Olympics in Handball. A third son called Fritz Buehning was a professional tennis player.[5] Additionally he had a daughter.
^Feldhandball-Weltmeisterschaft (Program for the Field WC 1963) (in German). 1963. p. 29.
^es. (2 June 1963). "Die Schweiz und ihre Gegner an der Weltmeisterschaft" [Switzerland and there opponents at the world championship]. Die Tat (in German). Vol. 28, no. 149. p. 7. Archived from the original on 17 January 2021. Retrieved 17 January 2021. Die Uebersser verloren vor 14 Tagen gegen Kanada im ersten offiziellen Länderspiel knapp 9:10. [The overseaer lost almost 9–10 against Canada in their first official international game 14 days ago.]
^d. (4 June 1963). "Westdeutschland – Amerika 23:6 (12:2)" [West Germany – America 23:6 (12:2)]. Die Tat (in German). Vol. 28, no. 151. p. 9. Archived from the original on 17 January 2021. Retrieved 17 January 2021.
^es. (6 June 1963). "Die Schweiz schlug Amerika 17:4 (11:2)" [Switzerland beat America 17:4 (11:2)]. Die Tat (in German). Vol. 28, no. 153. p. 8. Archived from the original on 17 January 2021. Retrieved 17 January 2021.
^es. (7 June 1963). "Amerika – Holland 5:11 (3:6)" [America – Holland 5:11 (3:6)]. Die Tat (in German). Vol. 28, no. 154. p. 9. Archived from the original on 17 January 2021. Retrieved 17 January 2021.
^lz. (9 June 1963). "Um den 7. und 8. Platz" [About the 7th and 8th place]. Die Tat (in German). Vol. 28, no. 156. p. 9. Archived from the original on 17 January 2021. Retrieved 17 January 2021.