How many brothers did Lewis Carroll he have and what were their names?

Charles Lutwidge Dodgson, which is Lewis Carroll's real name, was one of eleven children. They were:

Frances Jane (Fanny), 1828-1903

Elizabeth Lucy, 1830-1916

Charles Lutwidge aka Lewis Carroll, 1832-1898

Caroline Hume, 1833-1904

Mary Charlotte, 1835-1911

Skeffington Hume, 1836-1919

Wilfred Longley, 1838-1914

Louisa Fletcher, 1840-1930

Margaret Anne Ashley, 1841-1915

Henrietta Harington, 1843-1922

Edwin Heron, 1846-1918