echo 'digraph {

"Hidenori Tabata" -> "Yuusuke Tabata" [taillabel = "Older brother of"]
"Mr. Tabata" -> "Yuusuke Tabata" [taillabel = "Son of"]
"Yuusuke Tabata" -> "Hidenori Tabata" [taillabel = "Younger brother of"]
"Mr. Tabata" -> "Hidenori Tabata" [taillabel = "Son of"]
"Hidenori Tabata" -> "Mr. Tabata" [taillabel = "Father of"]
"Yuusuke Tabata" -> "Mr. Tabata" [taillabel = "Father of"]
}' | dot -Tsvg > output.svg