echo 'digraph {

"Masato Itou" -> "Sachi Itou" [taillabel = "Wife of"]
"Ayako Itou" -> "Sachi Itou" [taillabel = "Mother of"]
"Masato Itou" -> "Ayako Itou" [taillabel = "Daughter of"]
"Sachi Itou" -> "Ayako Itou" [taillabel = "Daughter of"]
"Sachi Itou" -> "Masato Itou" [taillabel = "Husband of"]
"Ayako Itou" -> "Masato Itou" [taillabel = "Father of"]
}' | dot -Tsvg > output.svg