Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
malik:7-33Mālik > ʿAbd al-Raḥman b. al-Qāsim > al-Qāsim b. Muḥammad

Yahya related to me from Malik from Abd ar-Rahman ibn al-Qasim that al-Qasim ibn Muhammad had done the same as Ibn Umar.  

مالك:٧-٣٣وَحَدَّثَنِي عَنْ مَالِكٍ عَنْ عَبْدِ الرَّحْمَنِ بْنِ الْقَاسِمِ عَنِ الْقَاسِمِ بْنِ مُحَمَّدٍ

أَنَّهُ صَنَعَ مِثْلَ الَّذِي صَنَعَ ابْنُ عُمَرَ