echo 'digraph {

"Yuuki Irie" -> "Naoki Irie" [taillabel = "Brother of"]
"Noriko Irie" -> "Naoki Irie" [taillabel = "Son of"]
"Kotoko Aihara" -> "Naoki Irie" [taillabel = "Husband of"]
"Shigeo Aihara" -> "Naoki Irie" [taillabel = "son-in-law of "]
"Kotomi Irie" -> "Naoki Irie" [taillabel = "Father of"]
"Shigeo Aihara" -> "Kotoko Aihara" [taillabel = "Daughter of"]
"Naoki Irie" -> "Kotoko Aihara" [taillabel = "Wife of"]
"Yuuki Irie" -> "Kotoko Aihara" [taillabel = "Sister-in-law of"]
"Kotomi Irie" -> "Kotoko Aihara" [taillabel = "Mother of"]
"Kotoko Aihara" -> "Shigeo Aihara" [taillabel = "Father of"]
"Naoki Irie" -> "Shigeo Aihara" [taillabel = "Father-in-law of"]
"Naoki Irie" -> "Yuuki Irie" [taillabel = "Brother of"]
"Noriko Irie" -> "Yuuki Irie" [taillabel = "Son of"]
"Kotoko Aihara" -> "Yuuki Irie" [taillabel = "Brother-in-law of"]
"Yuuki Irie" -> "Noriko Irie" [taillabel = "Mother of"]
"Naoki Irie" -> "Noriko Irie" [taillabel = "Mother of"]
"Naoki Irie" -> "Kotomi Irie" [taillabel = "Daughter of"]
"Kotoko Aihara" -> "Kotomi Irie" [taillabel = "Daughter of"]
}' | dot -Tsvg > output.svg