echo 'digraph {

"Fjorm" -> "Gunnthrá" [taillabel = "Sister of"]
"Hríd" -> "Gunnthrá" [taillabel = "Sister of"]
"Ylgr" -> "Gunnthrá" [taillabel = "Sister of"]
"Gunnthrá" -> "Fjorm" [taillabel = "Sister of"]
"Ylgr" -> "Fjorm" [taillabel = "Sister of"]
"Hríd" -> "Fjorm" [taillabel = "Sister of"]
"Fjorm" -> "Ylgr" [taillabel = "Sister of"]
"Gunnthrá" -> "Ylgr" [taillabel = "Sister of"]
"Hríd" -> "Ylgr" [taillabel = "Sister of"]
"Fjorm" -> "Hríd" [taillabel = "Brother of"]
"Gunnthrá" -> "Hríd" [taillabel = "Brother of"]
"Ylgr" -> "Hríd" [taillabel = "Brother of"]
}' | dot -Tsvg > output.svg