echo 'digraph {

"Ferb" -> "Phineas" [taillabel = "Step-brother of"]
"Candace Flynn" -> "Phineas" [taillabel = "Brother of"]
"Linda Flynn-Fletcher" -> "Phineas" [taillabel = "Son of"]
"Candace Flynn" -> "Ferb" [taillabel = "step-brother of"]
"Phineas" -> "Ferb" [taillabel = "step-brother of"]
}' | dot -Tsvg > output.svg