@prefix : <#> .
    
    :albert     :begat :bevan,
                :bill .
    
    :bertha     :begat :carol,
                :charlie .
    
    :bevan     :ancestor :albert;
         :begat :chaude,
                :christine .
    
    :bill     :ancestor :albert;
         :begat :carol,
                :charlie .
    
    :carol     :ancestor :albert,
                :bertha,
                :bill .
    
    :charlie     :ancestor :albert,
                :bertha,
                :bill .
    
    :chaude     :ancestor :albert,
                :bevan .
    
    :christine     :ancestor :albert,
                :bevan;
         :begat :david,
                :diana,
                :douglas .
    
    :david     :ancestor :albert,
                :bevan,
                :christine .
    
    :diana     :ancestor :albert,
                :bevan,
                :christine .
    
    :douglas     :ancestor :albert,
                :bevan,
                :christine .