echo 'digraph {

"Karen Travers" -> "Luka Travers" [taillabel = "Younger Brother of"]
"Fubuki Spring" -> "Karen Travers" [taillabel = "Childhood friend of"]
"Luka Travers" -> "Karen Travers" [taillabel = "Older Brother of"]
}' | dot -Tsvg > output.svg