Birth January 26, 1853 19 34
Birth of a brotherThomas Mendelssohn Horsfall
May 18, 1855 (aged 2 years)
Birth of a brotherAlexander John Mendelssohn Horsfall
September 13, 1856 (aged 3 years)
Birth of a brotherJames Mendelssohn Horsfall
November 17, 1860 (aged 7 years)
Birth of a brotherMary Alexandrine Horsfall
March 25, 1863 (aged 10 years)
Birth of a brotherCharles Mendelssohn Horsfall
September 2, 1865 (aged 12 years)
Death of a fatherJohn Horsfall
June 18, 1869 (aged 16 years)
Death of a maternal grandfatherAlexander Mendelssohn
October 25, 1871 (aged 18 years)
Death of a maternal grandmotherMarianne Seeligmann
1880 (aged 26 years)

Birth of a sonJohn Mendelssohn Horsfall
1883 (aged 29 years)

Birth of a sonArthur Mendelssohn Horsfall
1884 (aged 30 years)

Birth of a daughterMargaret Mendelssohn Horsfall
1886 (aged 32 years)

Birth of a sonWilliam Mark Horsfall
1887 (aged 33 years)

Birth of a sonJoseph James Horsfall
1888 (aged 34 years)

Birth of a sonCharles Michael Horsfall
1889 (aged 35 years)

Birth of a daughterDorothy Mendelssohn Horsfal
1892 (aged 38 years)

Birth of a daughterJosephine Mendelssohn Horsfall
1897 (aged 43 years)

Death of a brotherJames Mendelssohn Horsfall
September 14, 1897 (aged 44 years)
Death of a motherAlexandrine Mendelssohn
May 6, 1900 (aged 47 years)
Death May 22, 1917 (aged 64 years)