echo 'digraph {

"Melady" -> "Zeiss" [taillabel = "Brother of"]
"Galle" -> "Melady" [taillabel = "Engaged to"]
"Guinivere" -> "Melady" [taillabel = "Servant of"]
"Zeiss" -> "Melady" [taillabel = "Sister of"]
}' | dot -Tsvg > output.svg