What were the names of Captain James Cooks siblings?
Captain James Cook’s siblings were: John born October 27th, 1728 (died 1749) Christina born 1731 Mary (died in 1736) Jane born 1738 (died 1742) Mary (#2) born 1740 Margaret born 1742 William born 1745 (died 1748) James didn’t have a brother named Christopher, only John and William and they died at an early age. James Cook and his wife Elizabeth had six children who all died without issue.