echo 'digraph {

"Hidemoto Keikain (13th)" -> "Koremitsu Keikain" [taillabel = "Older Brother of"]
"Koremitsu Keikain" -> "Hidemoto Keikain (13th)" [taillabel = "younger brother of"]
"Hidemoto Keikain (27th)" -> "Hidemoto Keikain (13th)" [taillabel = "Ancestor of"]
}' | dot -Tsvg > output.svg