It may be possible to confirm family relationships by comparing test results with Chase or other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree:
Family Tree DNA Y-DNA Test 67 markers, haplogroup R-M269, FTDNA kit #464788 +
Y-Chromosome Test 75 markers, haplogroup R-S588
It is likely that these autosomal DNA test-takers will share DNA with Chase: