This is largely just for fun, but here are some more anagrams of that name.

-=-=-
Rearranging the letters of 'allen erwin' gives:

"Earn new ill."
"New ill near."
"Renew an ill."
"New, real nil."
"An ill, newer."
"I earn 'n' well."
"We're 'n' an ill."
"A winner 'ell."
"Well! Inaner."
"All new rein."
"Renew in all."
"I renew 'n' all."
"New ire 'n' all."
"All were inn."
"We inner all."
"Leal winner."
"A well, inner."
"In newer all."
"We learn nil."
"Renewal nil."
"Larn new lie." [Larn is an uncommon version of the word "learn
"New AREL nil." [Arel, as a name, means "Lion of God
"We earn 'n' ill."
"Well! Nine Ra."
"Warn Nellie."
"Reline lawn." [A metaphor for renewal; "reseeding" or "replanting"?]
"Irena 'n' well." [Irena is a name derived from Greek meaning "peace

These are the longest words/phrases that use some of the letters:
"newline", "renewal", "winner", "inaner", "wailer",
"linear", "Elaine", "lienal", "lineal", "Nellie", "reline",
"wellie", "wiener", "inane", "alien", "inner", "learn",
"newer", "renew", "linen", "liner", "anele", "Annie",
"ariel", "arwen", "awner", "Ellie", "Ernie", "in-law",
"Irena"

Generated using Anagram Genius(tm) version 9
[Link]
-=-=-

Not that any of this necessarily means anything. Just some fun on my part, and if it inspires anyone to contemplate or research, all the better! :)