Valmiki Ramayana Ayodhya Kanda Sarga 86 Shloka 18
Original Shlokaसिद्धार्थाः पितरं वृत्तं तस्मिन्काले ह्युपस्थिते। प्रेतकार्येषु सर्वेषु संस्करिष्यन्ति भूमिपम्।।2.86.18।।
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तस्मिन्काले when that moment, उपस्थिते had arrived, वृत्तम् being in that state, पितरम् my father, भूमिपम् for the lord of the earth, सर्वेषु all, प्रेतकार्येषु in funeral rites, संस्करिष्यन्ति will perform, सिद्धार्थाः men who attained their purpose.
When the moment of death arrives for my father, those who perform the funeral rites for him would have fulfilled their desire.