echo 'digraph {

"Rufus" -> "Lambert" [taillabel = "Brother of"]
"Dimitri" -> "Lambert" [taillabel = "Father of"]
"Lambert" -> "Dimitri" [taillabel = "Son of"]
"Rufus" -> "Dimitri" [taillabel = "Nephew of"]
"Dimitri" -> "Rufus" [taillabel = "Uncle of"]
"Lambert" -> "Rufus" [taillabel = "Brother of"]
}' | dot -Tsvg > output.svg