On 9 May 1978 Prince Adalbert married Marion Malkowsky, the daughter of Wilhelm Malkowski and Margot Massengeil. The wedding took place in Munich. However,the couple was divorced five years later on 11 November 1983.
On 21 February 1986 Prince Etzi married for the second time. His bride was Sandra Brigitte Burghardt, the daughter of Frank Burghardt. The civil ceremony took place in Munich and the religious wedding followed a week later also in Munich. Initially the union was considered morganatic, but on 3 March 1999 the marriage was decreed to be dynastic in accordance with the Bavarian house laws. The couple has two children together.