Their three children inherited their musical aptitudes: Margaret Ruthven Lang (1867–1972), a composer; Rosamond (1878–1971), a pianist; and Malcolm (1881–1972), a pianist and organist.
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From 1860 to 1870, Lang built a piano and organ teaching career of great success; he was considered a very thorough teacher and his pupils included Arthur Foote, Ethelbert Nevin, William F. Apthorp, and own children, Margaret and Malcolm.
Margaret Thatcher | Margaret Atwood | Margaret | Fritz Lang | Margaret Mead | Princess Margaret, Countess of Snowdon | Margaret Weis | Princess Margaret | Margaret Cho | Princess Margaret Hospital | Andrew Lang | Margaret Mitchell | Margaret Bourke-White | Lang Lang | Margaret of Anjou | Margaret Court | Margaret Becker | Lang Lang (pianist) | Margaret Sullavan | Margaret Hodge | Bob and Margaret | Margaret Murray | Jack Lang | David Lang | Margaret Tudor | Margaret the Virgin | Margaret of York | Margaret of Austria | Margaret Laurence | Margaret Island |