echo 'digraph {

"Shouichi Maki" -> "Natsuko" [taillabel = "Wife of"]
"Mahito Maki" -> "Natsuko" [taillabel = "Aunt of"]
"Natsuko" -> "Mahito Maki" [taillabel = "Nephew of"]
"Shouichi Maki" -> "Mahito Maki" [taillabel = "Son of"]
"Natsuko" -> "Shouichi Maki" [taillabel = "Husband of"]
"Mahito Maki" -> "Shouichi Maki" [taillabel = "Father of"]
}' | dot -Tsvg > output.svg