echo 'digraph {

"Takuma Hachimine" -> "Satoru Hachimine" [taillabel = "Older Brother of"]
"Shinji Hachimine" -> "Satoru Hachimine" [taillabel = "Older Brother of"]
"Satoru Hachimine" -> "Takuma Hachimine" [taillabel = "younger brother of"]
"Shinji Hachimine" -> "Takuma Hachimine" [taillabel = "younger brother of"]
"Takuma Hachimine" -> "Shinji Hachimine" [taillabel = "Older Brother of"]
"Satoru Hachimine" -> "Shinji Hachimine" [taillabel = "younger brother of"]
}' | dot -Tsvg > output.svg