echo 'digraph {

"Macne Nana" -> "Macne Petit" [taillabel = "Younger sister of"]
"Macne Coco Black" -> "Macne Nana" [taillabel = "Younger Sister of"]
"Macne Coco White" -> "Macne Nana" [taillabel = "Younger Sister of"]
"Macne Petit" -> "Macne Nana" [taillabel = "Older sister of"]
}' | dot -Tsvg > output.svg