He died owing expiation for having intercourse during the day in Ramadan. What should his children do?

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Expiation for one who had intercourse with his wife during the day in Ramadan
Flexibility in paying the fidyah for an elderly person who cannot fast; it may be paid at the beginning or end of the month, or after the month has ended

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He should make up what he owes first, then fast on behalf of the deceased
Can the wedding feast (waleemah) count instead of offering expiation by feeding sixty poor persons?
Not fasting because of sickness
Expiation for one who had intercourse with his wife during the day in Ramadan
Flexibility in paying the fidyah for an elderly person who cannot fast; it may be paid at the beginning or end of the month, or after the month has ended

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