echo 'digraph {

"Marcia" -> "Makalov" [taillabel = "Older Brother of"]
"Astrid" -> "Makalov" [taillabel = "Engaged to"]
"Makalov" -> "Astrid" [taillabel = "Engaged to"]
"Makalov" -> "Marcia" [taillabel = "Younger Sister of"]
}' | dot -Tsvg > output.svg