 Friedrich died in 1829, after which Dorothea moved to Frankfurt am Main.There, she lived with her son Philipp (also a convert to a medieval style of Catholicism) until her death in 1839.As the daughter of the greatest - Moses Mendelssohn - (translator of John Locke and Alexander Pope, as well as Hebrew scriptures into German), Dorothea was surrounded throughout her life by poets, critics, musicians, novelists, and philosophers of Europe.