John Harper was born on 29th May 1872, in Houston Renfrewshire Scotland.
he was the fifth child of George Harper and his wife, Rachel (nee Spears)
his siblings were:
On 28th April 1903, John married Annie Leckie Bell, Annie gave birth to their daughter, Annie Jessie Harper on January 1st 1906. sadly, Annie died just 7 days later on 8th Jan 1906.
URL : https://www.encyclopedia-titanica.org/family-information-14.html