GRAND RAPIDS, Mich. ó Helen J. DeVos, a philanthropist from western Michigan known for her support of childrenís health, Christian education and the arts, has died at age 90, her family said Thursday. DeVos died Wednesday of complications from a stroke after a recent diagnosis of myeloid leukemia, her family said. She was the wife of Rich DeVos, who co-founded direct-sales company Amway and owns the Orlando Magic, and was the mother-in-law of U.S. Education Secretary Betsy DeVos. "We will never forget her unfailing love, strength and devotion that were truly the heart of our family," Rich DeVos and other family members said in a statement. Helen DeVos was born in Grand Rapids, where a childrenís hospital is named after her. She married Rich DeVos in 1953 and volunteered her time and leadership as well the support of the Richard and Helen DeVos Foundation to an array of causes, including Christian churches and ministries. Helen DeVos and her husband supported Grand Rapids Christian schools, including the Richard and Helen DeVos Center for Arts and Worship at Grand Rapids Christian High School, and numerous colleges and universities. She was a prominent supporter of the Grand Rapids Symphony and was a board member and officer from 1971 to 1990, when she was appointed as an honorary member. She and her husband provided the funding to help the Grand Rapids Symphony make its first commercial recording of works commissioned by the symphony. Helen DeVos died in the Grand Rapids-area community of Ada Township, an Amway spokeswoman said in an email. Funeral arrangements were pending Thursday.