echo 'digraph {

"Megumi Amatsuka" -> "Mao Amatsuka" [taillabel = "Sister of"]
"Seira Amatsuka" -> "Mao Amatsuka" [taillabel = "Sister of"]
"Mao Amatsuka" -> "Megumi Amatsuka" [taillabel = "Sister of"]
"Seira Amatsuka" -> "Megumi Amatsuka" [taillabel = "Sister of"]
"Mao Amatsuka" -> "Seira Amatsuka" [taillabel = "Sister of"]
"Megumi Amatsuka" -> "Seira Amatsuka" [taillabel = "Sister of"]
}' | dot -Tsvg > output.svg