Peel the peaches and remove the stones, then cut into thin slices.
Grate the orange rind, then remove the white membrane and seeds.
Slice and chop the orange sections, reserving the juice.
Measure the peach slices, orange rind, juice and pulp and add an equal amount of sugar.
Add the cherries and cook over low heat, stirring frequently, until thick.
Pour in hot sterilized jars and seal.