Rebecca is at C and her sister is at B and they live at house 24 (clue 1).
Michael is at A and doesn't live at house 22 (3) or 24 (1), so 23. Josie
is standing next to her brother so is at E (clue 2). Ruth is Rebecca's
sister and is at B and (4) their surname is Jackson. Greg is at F (6).
By elimination, Simon is at D. He doesn't live at number 23 (5), or 24
(1), so 22. He isn't Greg's brother (2), so Josie's. By elimination, Greg
lives at number 23. Michael's surname isn't Jones (3), so he and his
brother Greg have the surname, Jacobs. By elimination, Simon and
Josie have the surname, Jones.
Word chain: WARM, WORM, WORD, WOOD, WOOL, COOL.
Jumbled word: GRASSHOPPER
THE TRUMPET ALERTED THEM - PETAL