echo 'digraph {

"Thor Odinson" -> "Gaea" [taillabel = "Mother of"]
"Loki" -> "Thor Odinson" [taillabel = "Adoptive brother of"]
"Odin" -> "Thor Odinson" [taillabel = "Son of"]
"Gaea" -> "Thor Odinson" [taillabel = "Son of"]
}' | dot -Tsvg > output.svg