echo 'digraph {

"Mary Britain" -> "Eliza Britain" [taillabel = "Mother of"]
"Sarah Britain" -> "Eliza Britain" [taillabel = "Mother of"]
"Eliza Britain" -> "Mary Britain" [taillabel = "Daughter of"]
"Sarah Britain" -> "Mary Britain" [taillabel = "Younger Sister of"]
"Mary Britain" -> "Sarah Britain" [taillabel = "Older sister of"]
"Eliza Britain" -> "Sarah Britain" [taillabel = "Daughter of"]
}' | dot -Tsvg > output.svg