The rhyme is hyang/yang/ryang/sang; tones match and there is parallel expression in the second and third couplets though it is not very clear in the English of couplet three.
I don’t know your family name; I don’t even know your given name.
How could I know the mountains and streams of your home!
Mornings, swarms of buzzing flies stick to your rotting corpse;
evenings, caw-cawing crows are tearful mourners.
A short stick is the sum of your possessions;
the few remaining scoops of rice are what you managed to beg.
Village men, listen to me, please!
Bring a few baskets of clay; cover him from wind and frost.