One theory of the existence of the Shih-Tzu breed is that it stemmed from the Lhasa Apso. (10/15) by Heather Vance October 22, 2020, 8:01 am Credit Heather Vance 0 Previous 10/15 Next View full list See more Previous article Shetland Sheepdog has an average lifespan of 12 to 15 years. Next article Man, The Game Won’t Start Until You Start Pulling The Knot Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.