echo 'digraph {

"Gwyneth Claremont" -> "Kenneth Claremont" [taillabel = "Twin Brother of"]
"Kenneth Claremont" -> "Gwyneth Claremont" [taillabel = "Twin Sister of"]
"Mona Albrecht" -> "Gwyneth Claremont" [taillabel = "Friend of"]
}' | dot -Tsvg > output.svg