John Cunningham c1770 had at least 2 children that I know of Grace c1793 who married John Wilson c1792 and Richard c1790-c1861 who married Mary Miller.
Grace and John had at least 3 children Grace c1814, Elizabeth c1817 and Joseph c1831 Joseph married Mabel Edeson c1834.
Richard and Mary had many children Magdalene c1810, Richard c1812 (who married Mary Swales c1820), Hannah c1819 (married Richard Arnold c1816), Grace c1821 (who married George Miller c1824) Ann and Jane and William Cunningham c1824 who married Martha Jackson c1834.
William and Martha had 5 children Mary 1856, William 1862, Peter 1862, John 1864 and Richard 1858.
Richard married Elizabeth Morrison 1861 and they had 7 children William 1878 who married Janey Maguire 1881. Richard 1889, Martha 1880, Mary 1882, Jane 1886, John 1891 and Joseph 1884.
Joseph married Nancy/Annie Maguire 1886 (Janey's sister). They had three children Joseph1904, John 1908 and Martha 1911. Joseph was killed in WW1 and Nancy had two other children Margaret 1920 (married Thomas Ellis c1918) and Eileen 1923 (Married John Ingham 1920).
Joseph who was born in 1904 was my grandfather, his wife was Violet Edeson born 1908. Her parents were Jeremiah 1862 or 69 and Annie Stanack/Stronach. They had several other children Mary 1890 (married John Kennedyc1880), Jeremiah 1894 (married Violet Hall c1894), Lily 1896 (married name McGowan), Charles 1897, Frank 1899, Annie1897 (married Arthur Hall), Joseph 1905 and William 1911.
Jeremiah 1862/69 was the son of Charles Edeson c1835 and Mary Ann Swales c1845. Their other children were Mary 1867 and Frank 1871.
Charles' parents were John Edeson c1810 and Hannah c1810. Charles had a sister Mabel c1834 who married John Wilson (John was son of Grace Cunningham 1793 and John Wilson 1792).
Mary Ann Swales c1845 was the daughter of Jeremiah Swales c1815 and Elizabeth Wilson c1817. She was one of 10 children.