Claire van Kampen, theater director and the wife of Mark Rylance, was 71 when she died on his birthday on Saturday, Jan. 18, Rylance confirmed in a statement to PEOPLE.

Claire van Kampen, a composer, director, writer and frequent collaborator of her Oscar-winning husband Mark Rylance, died Saturday morning at age 71.

Actor Mark Rylance and his family confirmed the death of Claire van Kampen on Saturday, January 18, at the age of 71

Mark Rylance is mourning the loss of his beloved wife Claire Van Kampen!The theatre director has passed away at the age of 71 after being diagnosed with cancer. Rylance and her daughter Juliet confirmed her sad demise in a heartfelt statement

Claire van Kampen, a playwright and director who composed music for TV and theater and the wife of Mark Rylance, has died, her family said in a statement Saturday. She was 71. Van Kampen died in Germany surrounded by family.

Claire van Kampen has sadly died at the age of 71 after a courageous battle with cancer – on the birthday of her husband Sir Mark Rylance. Director and playwright Claire composed the music for BBC series Wolf Hall, as well as working on the music for her husband's iconic performance of Hamlet in 1989.

Claire van Kampen, a theater director, composer and wife of actor Mark Rylance, died Saturday morning. She was 71. Van Kampen died in Kassel, Germany, “surrounded by her family” following a battle with cancer, Rylance and her daughter Juliet shared in a statement. Saturday was also her husband’s 65th birthday.

Claire van Kampen, who has died from cancer aged 71, was a pianist, composer and playwright who made arrangements of Tudor-era music for the BBC TV series Wolf Hall, introduced Shakespearean-era instruments to Broadway theatres and wrote Farinelli and the King (2015),