echo 'digraph {

"Lan Wangji" -> "Lan Xichen" [taillabel = "Older Brother of"]
"Lan Xichen" -> "Lan Wangji" [taillabel = "Younger Brother of"]
"Wei Wuxian" -> "Lan Wangji" [taillabel = "Husband of"]
}' | dot -Tsvg > output.svg