WIP
Queen Victoria, b. 1819, r. 1837 to 1901, m. Albert of Saxe Coburg and Gotha (1819 to 1961)
1) Victoria, Princess Royal, b. 1840, d. 1871
2) Albert, Prince of Wales, b. 1841, d. 1872, m. Alexandra of Denmark (1844 to 1925)
Bertie and Alexandra have several children, but tragically none live longer than a handful of days
3) Alice, b. 1843, d. 1874
4) Alfred, Prince of Wales b. 1844, d. 1875, m. Grand Duchess Maria Alexandrovna of Russia (1853 to 1920)
a) Alfred, Duke of Cornwall and Rothesay, b. 1874, d. 1899, never married
Alfred is briefly Prince of Wales etc, he is married to Grand Duchess Maria in Early 1874 and dies later that year but not before Maria falls pregnant. The son, Alfred, never marries and predeceases his grandmother
5) Helena, b. 1846, d. 1877
6) Louise, b. 1848, d. 1879
7) Arthur, Duke of Connaught and Strathearn, b. 1850, d. 1881, m. Louise Margaret of Prussia (1860 to 1917)
a) Queen Margaret, b. 1882, r. 1901 to 1920, m. Alexander Ramsay, Duke of Kendall (1881 to 1972)
1) Alexander I and IV, b. 1919, r. 1920 to 2000
Margaret, who is born posthumously, survives her cousin Alfred, Duke of Cornwall, and in 1899 she becomes her grandmothers heir. At the age of nineteen she becomes Queen and a planned Swedish marriage is halted and she ends up marrying a dashing Navy officer instead, but dies from complications during childbirth, resulting in the Consort Regency
8) Leopold, Duke of Albany, b. 1853, d. 1884, m. Helen of Waldeck and Pyrmont (1861 to 1922)
a) Alice, b. 1883, d. 1953
b) Charles Edward, Duke of Albany, b. 1884, d. 1954
Leopold and Helen and their children barely alter. Alice, who lived to almost 100 in OTL dies in her seventies, though.
9) Beatrice, b. 1857, d. 1888