echo 'digraph {

"Nagomu Irino" -> "Heigo Irino" [taillabel = "Father of"]
"Fuki Irino" -> "Heigo Irino" [taillabel = "Husband of"]
"Fuki Irino" -> "Nagomu Irino" [taillabel = "Son of"]
"Heigo Irino" -> "Nagomu Irino" [taillabel = "Son of"]
"Nagomu Irino" -> "Fuki Irino" [taillabel = "Mother of"]
"Heigo Irino" -> "Fuki Irino" [taillabel = "Wife of"]
}' | dot -Tsvg > output.svg