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Best known as the second wife and longtime traveling companion of George Müller of Bristol, she shared in years of worldwide Christian ministry after their marriage in 1875. Though much less documented than her husband, she appears in historical records as a steady partner in the final chapter of his public work.

by Susannah Grace Sanger Müller
Born in Bristol in the early 1820s, Susannah Grace Sanger Müller is recorded in family-history sources as Susannah Grace Sanger, later marrying the evangelist and orphan-care pioneer George Müller in Bristol in 1875. She lived in England and died in January 1895.
Accounts connected with George Müller's life say that after their marriage, the couple spent many years on missionary journeys, traveling widely and speaking to large audiences in many countries. In that period, she is remembered less as a writer in her own right than as a close companion in a very public ministry.
Because surviving information about her is limited, many biographical details remain sparse. What stands out most clearly is her place beside George Müller during his later years, when his work had already become internationally known.