This does surprise me but also makes complete sense. We know Harrow sweet is a cross of Bartlett’ x Purdue 80-51. We can read info about that here Ashspublications.org. “Purdue 80-51 is a cross of Early Sweet X Old Home X Bartlett/Williams Selected in 1973; introduced 1982. “ as seen here The Book of Pears: The Definitive History and Guide to Over 500 Varieties - Joan Morgan - Google Books. Harrow delight has a similar pedigree Harrow Delight Pear. Harrow sweet is a great pear Harrow pears - my observations. This new info you provided will mess up some of my plans Growing the Farmingdale pear for seedling rootstocks!. With this new info this tree I grafted this year may need grafted over again Should have pulled the grafting tape sooner! - #19 by TheDerek. The ohxf crosses never did make sense to me but I though that was due to hybridization which changed the appearance. Thanks for the information. The harrows don’t look the same as the supposed parent of the cross but they do look like the actual parents! I definately would like to know what cross made old home and which one made farmingdale but know one knows. The pears were found and not intentionally grown. The article is very interesting http://www.goodfruit.com/old-home-x-bartlett/