It is now a long time since your post in 2000, and you may by now have all the info you need, but if I can help, please contact me. William Pryde / Jean Law Keith were married in Edinburgh, a second marriage for William. James Bryce McLaren Pryde their son was born in Edinburgh. The family arr. in Oz 31 May 1927 on the 'Orvieto'. I have the family going way back to the 1600's and can put you in touch with 'the expert' on this tree who is in Wales.
Ron Pryde