PREFIX log: <http://www.w3.org/2000/10/swap/log#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX gc: <http://www.daml.org/2001/01/gedcom/gedcom#>
PREFIX : <http://www.agfa.com/w3c/euler/gedcom-facts#>

{?A gc:mother ?M. ?M gc:daughter ?D. ?D gc:son ?S. ?S gc:uncle ?A} => {?A :testRelationship ?S}.
