ɐ pˈɛɹ ʌv sˈɪblɪŋz, wˈɛðɚɹ ɐ ɡˈɜːl ænd ɐ bˈɔɪ æz ɪn hˈænsəl ænd ɡɹˈɛɾəl ɔːɹ tˈuː ɡˈɜːlz æz ɪn snˈoʊwˈaɪt ænd ɹˈoʊzɹˈɛd ɔːɹ kˈeɪt kɹˈækɚnˌʌts, ɔːɹ tˈuː bˈɔɪz æz ɪnðə ɡˈoʊldtʃˈɪldɹən, ˈɔfən fˈiːtʃɚz ðˌɛm æz kˈoʊpɹˈoʊɾɐɡənˌɪsts ɹˈæðɚ ðɐn æz ɹˈaɪvəlz.
A pair of siblings, whether a girl and a boy as in Hansel and Gretel or two girls as in Snow-White and Rose-Red or Kate Crackernuts, or two boys as in The Gold-Children, often features them as co-protagonists rather than as rivals.