[Machine] Sa'id ibn Jubayr was the nephew of Umar ibnul Khattab, and he used to perform four optional prayers without any interruption between them except for the obligatory prayers.
سَعِيدُ بْنُ جُبَيْرٍ كَانَ ابْنُ عُمَرَ لَا يُصَلِّي أَرْبَعًا لَا يَفْصِلُ بَيْنَهُنَّ إِلَّا الْمَكْتُوبَةُ