echo 'digraph {

"Rock Howard" -> "Kain R. Heinlein" [taillabel = "Uncle of"]
"Geese Howard" -> "Rock Howard" [taillabel = "Son of"]
"Terry Bogard" -> "Rock Howard" [taillabel = "Friend of"]
"Kain R. Heinlein" -> "Rock Howard" [taillabel = "Nephew of"]
}' | dot -Tsvg > output.svg