Robin, from WikiTrees Help Index, you can use WikiTrees Relationship Finder : http://www.wikitree.com/wiki/Special:Relationship or if it is available at the bottom of others profiles is Highlighted in Green: your genealogical relationship with ______.
P.S. IMHO he is a great Actor... All I got is these two Cowboys: http://www.wikitree.com/wiki/Aurness-1 https://en.wikipedia.org/wiki/James_Arness Marshall Matt Dillon from Gunsmoke & his brother http://www.wikitree.com/wiki/Aurness-2 https://en.wikipedia.org/wiki/Peter_Graves from: Mission Impossible & Airplane they're my 6th cousins 2xr :)