echo 'digraph {

"Ylva" -> "Yilva's Eldest Son" [taillabel = "Son of"]
"Ari" -> "Yilva's Eldest Son" [taillabel = "Son of"]
"Yilva's Middle Son" -> "Yilva's Eldest Son" [taillabel = "Older Brother of"]
"Yilva's Daughter" -> "Yilva's Eldest Son" [taillabel = "Older Brother of"]
"Thorfinn" -> "Yilva's Eldest Son" [taillabel = "Nephew of"]
"Helga" -> "Yilva's Eldest Son" [taillabel = "Grandson of"]
"Thors Snorresson" -> "Helga" [taillabel = "Wife of"]
"Ylva" -> "Helga" [taillabel = "Mother of"]
"Thorfinn" -> "Helga" [taillabel = "Mother of"]
"Thorkell" -> "Helga" [taillabel = "Niece of"]
"Thors Snorresson" -> "Ylva" [taillabel = "Daughter of"]
"Helga" -> "Ylva" [taillabel = "Daughter of"]
"Thorfinn" -> "Ylva" [taillabel = "Older sister of"]
"Thors Snorresson" -> "Thorfinn" [taillabel = "Son of"]
"Ylva" -> "Thorfinn" [taillabel = "Younger brother of"]
"Helga" -> "Thorfinn" [taillabel = "Son of"]
"Ylva" -> "Ari" [taillabel = "Husband of"]
"Yilva's Eldest Son" -> "Ari" [taillabel = "Father of"]
"Yilva's Daughter" -> "Ari" [taillabel = "Father of"]
"Yilva's Middle Son" -> "Ari" [taillabel = "Father of"]
"Yilva's Eldest Son" -> "Yilva's Middle Son" [taillabel = "Younger brother of"]
"Yilva's Daughter" -> "Yilva's Middle Son" [taillabel = "Older Brother of"]
"Ari" -> "Yilva's Middle Son" [taillabel = "Son of"]
"Ylva" -> "Yilva's Middle Son" [taillabel = "Son of"]
"Yilva's Eldest Son" -> "Yilva's Daughter" [taillabel = "Younger Sister of"]
"Yilva's Middle Son" -> "Yilva's Daughter" [taillabel = "Younger Sister of"]
"Ari" -> "Yilva's Daughter" [taillabel = "Daughter of"]
"Ylva" -> "Yilva's Daughter" [taillabel = "Daughter of"]
}' | dot -Tsvg > output.svg