echo 'digraph {

"Abel Nightroad" -> "Cain Nightroad" [taillabel = "Older Brother of"]
"Seth Nightroad" -> "Cain Nightroad" [taillabel = "Older Brother of"]
"Cain Nightroad" -> "Abel Nightroad" [taillabel = "Younger Brother of"]
"Seth Nightroad" -> "Abel Nightroad" [taillabel = "Older Brother of"]
"Abel Nightroad" -> "Seth Nightroad" [taillabel = "Younger Sister of"]
"Cain Nightroad" -> "Seth Nightroad" [taillabel = "Younger Sister of"]
}' | dot -Tsvg > output.svg