echo 'digraph {

"Thompson" -> "Timber" [taillabel = "brother of"]
"Cantebury" -> "Timber" [taillabel = "brother of"]
"Timber" -> "Thompson" [taillabel = "brother of"]
"Cantebury" -> "Thompson" [taillabel = "brother of"]
"Thompson" -> "Cantebury" [taillabel = "brother of"]
"Timber" -> "Cantebury" [taillabel = "brother of"]
}' | dot -Tsvg > output.svg