Hi... just starting out on my family tree.... My grandfather Alexander Smith and family came to Belfast to work on the titanic and settled here. My grandmother was Elizabeth McLean... on their marriage lines his address was 6 Octavia st Port Glasgow, I think her address Ivybank, Port Glasgow His father was called William and mother Helen nee Harrison .. her father john and her mother was Martha I hope this will take someones notice Look forward to hearing from someone thank you x