Amlaíb mac Sitriuc
Amlaíb mac Sitriuc ( "Amhlaeibh , son of Sitric" ) or Olaf Sigtryggsson , was the son of Sigtrygg Silkbeard , the Hiberno-Norse King of Dublin , and Sláine , the daughter of Brian Boru . 
<triplet> Amlaíb mac Sitriuc <subj> Sigtrygg Silkbeard <obj> father <triplet> Sigtrygg Silkbeard <subj> Amlaíb mac Sitriuc <obj> child <subj> Sláine <obj> spouse <triplet> Sláine <subj> Brian Boru <obj> father