echo 'digraph {

"Takumi Ooishi" -> "Yukiko Ooishi" [taillabel = "Mother of"]
"Hiroki Ooishi" -> "Yukiko Ooishi" [taillabel = "Mother of"]
"Shintaro Oishi" -> "Yukiko Ooishi" [taillabel = "Wife of"]
"Hiroki Ooishi" -> "Takumi Ooishi" [taillabel = "Younger brother of"]
"Yukiko Ooishi" -> "Takumi Ooishi" [taillabel = "Son of"]
"Shintaro Oishi" -> "Takumi Ooishi" [taillabel = "Son of"]
"Takumi Ooishi" -> "Hiroki Ooishi" [taillabel = "Older brother of"]
"Shintaro Oishi" -> "Hiroki Ooishi" [taillabel = "Son of"]
"Yukiko Ooishi" -> "Hiroki Ooishi" [taillabel = "Son of"]
"Takumi Ooishi" -> "Shintaro Oishi" [taillabel = "Father of"]
"Hiroki Ooishi" -> "Shintaro Oishi" [taillabel = "Father of"]
"Yukiko Ooishi" -> "Shintaro Oishi" [taillabel = "Husband of"]
}' | dot -Tsvg > output.svg