Read the following paragraph and determine if the hypothesis is true:

Queen Mother Dorji Wangmo (Dzongkha: ; Wylie: "Rdo-rje Dbang-mo Dbang-phyug") (December 29, 1955, second daughter of "Yab" Ugyen Dorji and "Yum" Thuji Zam) is a former queen of Bhutan and first wife of former King Jigme Singye Wangchuck, who is married to four sisters all of whom were entitled to be called queen.

Hypothesis: Queen Mother Dorji Wangmo was married
Yes