echo 'digraph {

"Riko Mikogami" -> "Haruka Mikogami" [taillabel = "Mother of"]
"Nagisa Mikogami" -> "Haruka Mikogami" [taillabel = "Mother of"]
"Haruka Mikogami" -> "Riko Mikogami" [taillabel = "Daughter of"]
"Haruka Mikogami" -> "Nagisa Mikogami" [taillabel = "Daughter of"]
}' | dot -Tsvg > output.svg