Wikipedia:Articles for deletion/Donald Sinclair (veterinary surgeon)
The subject has clearly been noticed; the page gets thousands of views on a daily basis.  If more details and sources are wanted then this is done by looking for them; not deleting the page.  For example, see ''https://books.google.co.uk/books?id=6VsNAAAAIAAJ The Originals: Who's Really who in Fiction'', which has entries for the Sinclairs.  Applicable policies include ; ;  and 
— user:Andrew, 20:17, 22 September 2020 (UTC)
Stance: keep
Cited policy: WP:ATD||WP:NEXIST||WP:NOTPAPER||WP:PRESERVE (Wikipedia:Deletion policy)