echo 'digraph {

"Saeko Kitase" -> "Ririka Katase" [taillabel = "Granddaughter of"]
"Miwa Niiyama" -> "Ririka Katase" [taillabel = "Student of"]
"Ririka Katase" -> "Saeko Kitase" [taillabel = "Grandmother of"]
"Ririka Katase" -> "Miwa Niiyama" [taillabel = "Teacher of"]
}' | dot -Tsvg > output.svg