echo 'digraph {

"Mitsumasa Tsukimoto" -> "Mitsunobu Tsukimoto" [taillabel = "Brother of"]
"Mitsuyoshi Tsukimoto" -> "Mitsunobu Tsukimoto" [taillabel = "Brother of"]
"Mitsuyoshi Tsukimoto" -> "Mitsumasa Tsukimoto" [taillabel = "Brother of"]
"Mitsunobu Tsukimoto" -> "Mitsumasa Tsukimoto" [taillabel = "Brother of"]
"Mitsumasa Tsukimoto" -> "Mitsuyoshi Tsukimoto" [taillabel = "Brother of"]
"Mitsunobu Tsukimoto" -> "Mitsuyoshi Tsukimoto" [taillabel = "Brother of"]
}' | dot -Tsvg > output.svg