echo 'digraph {

"Will Harper" -> "Arsenal (Original Roy Harper)" [taillabel = "Genetic Template of"]
"Jim Harper" -> "Arsenal (Original Roy Harper)" [taillabel = "Genetic Template of"]
"Arsenal (Original Roy Harper)" -> "Will Harper" [taillabel = "Clone of"]
"Arsenal (Original Roy Harper)" -> "Jim Harper" [taillabel = "Clone of"]
}' | dot -Tsvg > output.svg