A pre-Silmarillion speculation on how immortality is inherited in elf-human crosses, based solely on information then available in the Appendices to Lord of the Rings.
"The Hereditary Pattern of Immortality in Elf-Human Crosses,"
Tolkien Journal: Vol. 2
, Article 5.
Available at: https://dc.swosu.edu/tolkien_journal/vol2/iss1/5
Copyright held by Artist
Mythcon 52: The Mythic, the Fantastic, and the Alien
Albuquerque, New Mexico; July 29 - August 1, 2022