echo 'digraph {

"Kouta Suzumura" -> "Arisa Suzumura" [taillabel = "Wife of"]
"Arisa Suzumura" -> "Kouta Suzumura" [taillabel = "Husband of"]
"Kenta Suzumura" -> "Kouta Suzumura" [taillabel = "Younger Brother of"]
}' | dot -Tsvg > output.svg