No.
English mathematician, John Wallis, was married to Susanna Glynde. Together they had three children. Their son's name was John and their daughters were named Elizabeth and Anne.
She have two son's both name is John Nash.
Thomas John Barnardo was an Irish philanthropist dedicated to helping destitute children. He founded and ran homes for orphaned children.
Yes, he had 2, Ralegh Gilbert and John Gilbert.
John Graves Simcoe and Elizibeth Posthuman Simcoe had 11 children when they married. The two simcoes had eight daughters and three boys in total. When Elizibeth finally finished her last daughter, she longed for a male child, which would become an heir to the family after John Graves Simcoe died. She named this child Francis Gwillim, who would serve in the British army and die at the age of 21, in 1812, at the siege of Badajoz in Spain.
John Graves Simcoe and his wife Elizabeth had four children: Francis Gwillim Simcoe, Henrietta Maria Simcoe, Katherine Simcoe, and Eliza Simcoe.
John Graves's birth name is John Clifford Graves.
John T. Graves died in 1870.
John T. Graves was born in 1806.
John Woodcock Graves was born in 1795.
John Woodcock Graves died in 1886.
John Thomas Graves died in 1950.
John Thomas Graves was born in 1842.
John Graves - author - was born in 1920.
John George Graves died in 1945.
John George Graves was born in 1866.