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 of music for plays and television dramas, as well as a director, writer and frequent collaborator of her Oscar-winning husband Mark Rylance, died Saturday morning at age 71,

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.

Actor and playwriter Mark Rylance announced over the weekend that his wife, director and composer Claire van Kampen, passed away amid her battle with cancer on his 65th birthday. She was 71 years old.

Claire van Kampen, theatre director and wife of award-winning actor Mark Rylance, has died aged 71. She died on her husband's 65th birthday. Daughter Juliet confirmed her mother's death on behalf of her family.

Mark Rylance is mourning his wife, theatre director and composer Claire van Kampen, following her death aged 71 on Saturday. Mark confirmed the death of Claire, the first female musical director at both the Royal Shakespeare Company and the National Theatre,

Mark Rylance is mourning the loss of his wife, Claire van Kampen, who died of cancer at age 71 on Saturday, January 18 - his 65th birthday. "Claire Louise van Kampen, Lady Rylance, has died this morning,