echo 'digraph {

"Susumu Kurose" -> "Millions Knives" [taillabel = "Older Brother of"]
"Vash the Stampede" -> "Millions Knives" [taillabel = "Older Brother of"]
"Millions Knives" -> "Vash the Stampede" [taillabel = "Younger Brother of "]
}' | dot -Tsvg > output.svg