echo 'digraph {

"Njördr" -> "Nerþuz" [taillabel = "Sister of"]
"Freyja" -> "Nerþuz" [taillabel = "Mother of"]
"Freyr" -> "Nerþuz" [taillabel = "Mother of"]
"Freyr" -> "Freyja" [taillabel = "Sister of"]
"Freyja" -> "Freyr" [taillabel = "Brother of"]
"Nerþuz" -> "Njördr" [taillabel = "Brother of"]
}' | dot -Tsvg > output.svg