TOKYO—Japanese Princess Mako married a commoner and lost her royal status Tuesday in a union that has split public opinion and was delayed more than three years by a financial dispute involving her new mother-in-law. The marriage document for Mako and Kei Komuro was submitted by a palace official Tuesday morning and is now official,…

TOKYO—Japan’s Princess Mako will marry a commoner in a subdued ritual on Tuesday after a three-year engagement plagued by scandal and media speculation, which has left the 29-year-old with post-traumatic stress disorder (PTSD). She will become an ordinary citizen after marrying Kei Komuro, a 30-year-old Japanese law graduate who lives in New York, in line…

TOKYO—Japan’s Princess Mako will marry a commoner in a subdued ritual on Tuesday after a four-year engagement plagued by scandal and media speculation, which has left the 29-year-old with post-traumatic stress disorder (PTSD). She will become an ordinary citizen after marrying Kei Komuro, a 30-year-old Japanese law graduate who lives in New York, in line…