It is known that Vismatas died in 1252 in a battle against Mindaugas; however the date of Mindaugas and Morta's wedding is unknown.
众所周知维斯曼塔斯在1252年一次针对明道加斯的战役中去世；但明道加斯和莫尔塔的婚礼日期无人知晓。