Identify 3-colored rose
This rose is known to me only as "Beppe's rose", Beppe being my sister-in-law's Dutch grandmother who was born in about 1890. It originated on an old farm in Sutton Massachusetts and has been passed around to various members of our extended family. The rose has an arching habit, although my brother managed to prune it into a dense shrub. The blooms change color as they age, resulting in three shades of pink. Someone referred to it as "Three Sisters Rose", but I was unable to find anything when I searched for that, and no images on google resembled it. Does anyone know what it might be?