echo 'digraph {

"Keiko Negishi" -> "Shigemi" [taillabel = "Pet of"]
"Souichi Negishi " -> "Keiko Negishi" [taillabel = "Mother of"]
"Toshihiko Negishi" -> "Keiko Negishi" [taillabel = "Mother of"]
"Shigemi" -> "Keiko Negishi" [taillabel = "Owner of"]
}' | dot -Tsvg > output.svg