Need some help with my husband line.

We are having a hard time trying to find out who his gggrandfather what year born and his death?

His name is William Fredrick Stuard born in Scotland ? and he married Clarissa jane Bullman, and that all we know. Hoping someone knows something on this line.

On William and Clarissa marriage 1887 and on there marriage license it has William Stuart and Jane Bulman

Thank you in advance.