Mitchell Marsh

1. Father: Geoff Marsh

   "Marsh is the second son of Geoff Marsh and younger brother of Shaun Marsh"

2. Married to Greta Mack

   "In April 2023, he married Greta Mack"

3. Sister: Melissa Marsh

   "His sister, Melissa Marsh, is a former professional basketball player"

4. Cousin: Brad Sheppard

   "He is cousin to retired AFL player, Brad Sheppard"

5. Captained under Brett Lee

   "He was later added to the One Day International squad following Brett Lee's withdrawal due to injury"

6. Captained under Travis Head

   "Following the return of Travis Head, Australia shifted Marsh to No.3 and Smith to No.4 against New Zealand with Marsh scoring 36 runs"

7. Opens with Travis Head

   "In the final ODI with the series 2-all, Marsh opened the batting scoring 71 in place of an injured Travis Head"

8. Schoolmates with Brad Sheppard

   "He was raised in Perth, Western Australia, where he attended Wesley College"

Source: Wikipedia, extracted via LLM.