Original: They have three children: Constanze (1971), Veronica (1977), Dominic (1980) and three grandchildren: Johannes (1999), Benedikt (2001) and Theresa Marie (2005).
Simplified: They have three children: Konstanze (1971), Veronika (1977), Dominik (1980) and three grandchildren: Johannes (1999), Benedikt (2001) and Theresa Marie (2005).